Text: Exodus 4:1–31
Estimated teaching time: 1 hour and 30 minutes
Central truth: God patiently answers human weakness, but His calling still requires faith, holiness, and obedience.
Key verse: “Now go; I will help you speak and will teach you what to say.” — Exodus 4:12
Review of Exodus 3 — 5 minutes
Reading and observation of Exodus 4 — 10 minutes
Exodus 4:1–9: God gives Moses signs — 15 minutes
Exodus 4:10–17: Moses objects to speaking — 15 minutes
Exodus 4:18–23: Moses returns to Egypt — 15 minutes
Exodus 4:24–26: The bridegroom of blood — 15 minutes
Exodus 4:27–31: Israel believes and worships — 10 minutes
Jesus connection, discussion, and pastoral insights — 10 minutes
At the burning bush, God revealed His holiness, His covenant name, and His plan to deliver Israel. He told Moses:
“I have seen their suffering.”
“I have heard their cries.”
“I have come down to rescue them.”
“I am sending you.”
“I will be with you.”
One might expect Moses to answer immediately, “Yes, Lord.”
Instead, Moses continues raising objections.
In Exodus 3, Moses asked:
“Who am I?”
“What is Your name?”
In Exodus 4, he raises further objections:
“What if they do not believe me?”
“I am not a good speaker.”
“Please send someone else.”
The first questions may sound like reasonable requests for clarification. But as the conversation continues, Moses’ deeper reluctance becomes visible.
Moses is no longer merely saying, “I am weak.” He is moving toward, “I do not want to go.”
There is an important difference between recognizing our inadequacy and using inadequacy as an excuse to disobey God.
God does not deny Moses’ weakness. He promises His presence, provides signs, supplies the words, and sends Aaron to help him.
But God still tells Moses:
“Now go.”
“Moses answered, ‘What if they do not believe me or listen to me and say, “The LORD did not appear to you”?’”
Moses remembers his previous rejection.
When he attempted to intervene between two Hebrews, one of them asked:
“Who made you ruler and judge over us?”
— Exodus 2:14
That rejection probably remained painful forty years later.
Moses may be thinking:
“They rejected me before.”
“Why should they listen now?”
“What proof can I offer?”
“What if they think I invented the burning-bush story?”
“What if I fail publicly?”
These concerns are understandable, but Moses overlooks something God already said:
“The elders of Israel will listen to you.”
— Exodus 3:18
Moses’ question, “What if they do not believe?” places his imagined future above God’s declared promise.
Fear often asks us to trust an imagined outcome more than God’s word.
“Then the LORD said to him, ‘What is that in your hand?’ ‘A staff,’ he replied.”
Moses does not possess:
An army
A throne
Political influence
Egyptian wealth
An impressive public position
He has a shepherd’s staff.
The staff represents Moses’ present life as a shepherd. It is ordinary, familiar, and unimpressive.
God does not need Moses to obtain something spectacular before obeying. God begins with what is already in his hand.
The power will not come from the staff itself. The power will come from God.
Later, the staff will be associated with:
The plagues
The crossing of the sea
Water from the rock
Israel’s battle with Amalek
What begins as “Moses’ staff” will soon be called “the staff of God.” An ordinary object becomes an instrument in God’s service when surrendered to Him.
“The LORD said, ‘Throw it on the ground.’ Moses threw it on the ground and it became a snake, and he ran from it.”
— Exodus 4:3
The Hebrew word used here is nachash, the ordinary word for a snake or serpent.
Moses’ reaction shows that this was not an illusion. He ran from it.
Snakes carried religious and royal significance in Egypt. The cobra, for example, appeared in royal imagery as a symbol of authority and protection.
The text does not explicitly say the sign was designed as an attack on a particular Egyptian symbol, but the sign clearly demonstrates that God possesses authority over the natural world and over everything Egypt considers powerful.
Pharaoh may wear symbols of serpentine power, but the LORD controls the serpent.
“Then the LORD said to him, ‘Reach out your hand and take it by the tail.’”
— Exodus 4:4
Taking a dangerous snake by the tail would normally be unsafe because the snake could turn and strike.
God asks Moses to act in trust.
Moses obeys, and the snake becomes a staff again.
The object Moses feared becomes harmless in his hand because God controls it.
This does not teach believers to handle dangerous snakes or test God. It teaches that Moses was given a particular command and sign for a particular calling.
“‘This,’ said the LORD, ‘is so that they may believe that the LORD…has appeared to you.’”
— Exodus 4:5
The sign validates the divine message and messenger.
A biblical sign is not merely entertainment. It points beyond itself to a truth God is revealing.
The people are not being asked to believe in the power of Moses’ staff. They are being called to believe that the God of Abraham, Isaac, and Jacob has appeared to Moses.
Miracles do not make the messenger the center. True signs direct attention to God.
“Then the LORD said, ‘Put your hand inside your cloak.’”
Moses places his hand inside his cloak. When he removes it, the hand is described as diseased and white like snow.
Some translations use the traditional word “leprous.” The Hebrew term is related to tzara‘at, which refers to various serious skin conditions. It should not automatically be identified with modern Hansen’s disease.
The point is that the hand becomes visibly diseased and then is completely restored.
Moses cannot heal his own hand. God alone makes it diseased and restores it.
The sign demonstrates God’s authority over the human body.
The gods of Egypt cannot prevent what the LORD does. Pharaoh cannot protect Egypt from divine judgment. The God who can strike can also restore.
The sign contains both warning and hope:
God has power to judge.
God has power to heal.
God can bring uncleanness.
God can restore what has become unclean.
The coming plagues will reveal God’s power to strike Egypt. Israel’s deliverance will reveal His power to preserve and restore His people.
Exodus 4:8 can be translated in a way that speaks of listening to “the voice” of the signs.
The signs do not literally speak with words, but they carry a message.
The first sign declares that God rules over forces people fear.
The second sign declares that God possesses authority over disease, judgment, and restoration.
The signs support God’s spoken word. They do not replace it.
“Take some water from the Nile and pour it on the dry ground. The water you take from the river will become blood on the ground.”
The Nile was the foundation of Egyptian life.
It supplied:
Water
Agriculture
Transportation
Food
Economic stability
Pharaoh had also turned the Nile into a place of death by commanding that Hebrew boys be thrown into it.
God now warns that the Nile’s water will become blood.
This sign anticipates the first plague in Exodus 7.
The river Pharaoh used to shed Hebrew blood will become a visible sign of judgment.
Egypt considers the Nile a source of life, but the LORD can turn that source into death. Creation itself is under God’s authority.
The signs were given to validate Moses’ message before Israel and later before Pharaoh.
However, several cautions are necessary.
The signs confirm that God has spoken. They are not magical performances designed to glorify Moses.
Pharaoh and his officials will see extraordinary signs, yet Pharaoh will continue resisting God.
Miracles can provide evidence, but a hard heart can reject even powerful evidence.
Egypt’s magicians will imitate some signs. Scripture warns that deceptive signs can occur.
A claimed miracle must be tested by:
God’s revealed Word
The message it supports
The character it promotes
Whether it directs people toward the true God
Whether it glorifies Christ rather than the human messenger
The authority of Scripture is greater than someone’s claim to supernatural power.
“Pardon your servant, Lord. I have never been eloquent…for I am slow of speech and tongue.”
The Hebrew expression can be translated:
“Heavy of mouth and heavy of tongue.”
This may mean Moses had:
A speech difficulty
Slow verbal delivery
Limited confidence
Difficulty speaking Hebrew after years in Midian
A lack of rhetorical eloquence
Fear of speaking before powerful people
The text does not tell us precisely what kind of difficulty Moses experienced.
Acts 7:22 says Moses was “powerful in speech and action.” This may refer to his general education and ability rather than polished public speaking. It may also describe his later effectiveness after God worked through him.
Moses does not believe he possesses the verbal ability needed to confront Pharaoh.
Moses’ limitation may have been real. The problem is not that he recognizes it. The problem is that he treats it as greater than God’s ability to work through him.
Moses speaks as though the success of God’s mission will depend entirely upon human eloquence.
God never told Moses, “You will deliver Israel because you are an excellent speaker.”
God said:
“I will be with you.”
“The LORD said to him, ‘Who gave human beings their mouths? Who makes them deaf or mute? Who gives them sight or makes them blind? Is it not I, the LORD?’”
God answers Moses by declaring His sovereignty over human ability and weakness.
The Creator who formed the mouth is capable of using Moses’ mouth.
Moses sees speech as his weakness. God reminds him that speech itself comes from the Creator.
Every human ability is a gift:
Speech
Sight
Hearing
Intelligence
Strength
Creativity
Memory
Leadership
These gifts should produce humility, not pride.
God also says He is sovereign over those who are mute, deaf, seeing, or blind.
This does not authorize Christians to blame people with disabilities for their condition or assume that every disability is punishment for a specific sin.
Jesus rejected simplistic ideas that personal suffering always results from a particular individual sin in John 9:1–3.
The verse declares that disability does not exist outside God’s sovereign knowledge and authority. A person with a disability is not a mistake, is not less human, and is not beyond God’s purpose.
God can glorify Himself through people with different abilities. The church must honor, welcome, and include them rather than treating them as spiritually inferior.
God could have chosen the most naturally eloquent person in Egypt. Instead, He chose Moses.
This ensured that Israel’s deliverance would display God’s power rather than human speaking ability.
The apostle Paul later wrote:
“My message and my preaching were not with wise and persuasive words, but with a demonstration of the Spirit’s power.”
— 1 Corinthians 2:4
This does not mean preparation is unnecessary. It means preparation, education, and eloquence cannot replace dependence upon God.
“Now go; I will help you speak and will teach you what to say.”
The Hebrew wording is more direct:
“I will be with your mouth.”
This parallels God’s earlier promise:
“I will be with you.”
God promises both:
His presence with Moses
His presence with Moses’ speech
Moses does not need to know every future word before obeying. God will teach him what to say.
This is not a command for pastors to avoid preparing sermons. Moses was receiving direct prophetic revelation for a unique redemptive mission. Nevertheless, the principle remains: God’s servants must depend upon God to communicate His truth faithfully.
“But Moses said, ‘Pardon your servant, Lord. Please send someone else.’”
Moses has reached the heart of the matter.
His previous objections were:
“Who am I?”
“What is Your name?”
“What if they do not believe?”
“I cannot speak.”
God answered every objection.
Now Moses essentially says:
“Send anyone You want—as long as it is not me.”
This is no longer merely insecurity. It is resistance.
There comes a point when continued excuse-making becomes disobedience.
Humility says:
“I am weak, but I will trust God.”
Unbelief says:
“I am weak, so I will not obey God.”
The statements may sound similar, but they lead in opposite directions.
“Then the LORD’s anger burned against Moses.”
God is patient, but His patience should never be mistaken for approval of unbelief.
God has revealed Himself, answered Moses’ questions, provided signs, and promised His presence. Moses continues resisting.
God’s anger is righteous because Moses is refusing the clear word of the One who has called him.
God says:
“What about your brother, Aaron the Levite? I know he can speak well.”
Aaron will meet Moses and help communicate the message.
This demonstrates God’s mercy. God does not abandon the mission or reject Moses completely.
God accommodates Moses’ weakness by providing a partner.
Yet Aaron does not replace Moses’ calling. Moses must still go.
God says:
“You shall speak to him and put words in his mouth.”
Moses will receive God’s message and communicate it to Aaron. Aaron will speak publicly.
“It will be as if he were your mouth and as if you were God to him.”
— Exodus 4:16
This does not mean Moses becomes divine.
Moses will function as the source of the divine message for Aaron:
God speaks to Moses.
Moses gives the words to Aaron.
Aaron speaks to the people and Pharaoh.
Moses represents God’s authority, and Aaron represents Moses’ speech.
Later, Exodus 7:1 uses similar language when God says Moses will be “like God to Pharaoh,” with Aaron as his prophet.
Moses wanted someone else to take the assignment. God instead gives him someone to accompany him.
There is a difference between replacing our calling and receiving help in our calling.
God often provides:
Partners
Mentors
Teachers
Encouragers
Intercessors
People with complementary gifts
Needing help is not failure. Refusing God’s assignment because we demand to work alone or not at all is a problem.
God tells Moses:
“Take this staff in your hand so you can perform the signs with it.”
The staff is not magical. Its effectiveness depends entirely upon God.
It becomes a visible reminder that the God who called Moses will act through what Moses surrenders.
Moses returns to Jethro and requests permission to go back to Egypt.
He says he wants to see whether his people are still alive. He does not explain every detail of the burning-bush commission.
Jethro responds:
“Go, and I wish you well.”
Moses does not simply disappear from his household responsibilities. He speaks respectfully with the person whose flock he has been tending.
A divine calling does not give someone permission to act irresponsibly toward existing relationships and commitments.
God tells Moses:
“Go back to Egypt, for all those who wanted to kill you are dead.”
The ruler who sought Moses’ life is gone.
This does not mean the mission will be easy. Another Pharaoh rules, and he will resist Israel’s deliverance. But the specific legal danger connected to Moses’ earlier act has changed.
Moses takes his wife and sons and begins the journey.
Only Gershom has been named so far, but Exodus later identifies Moses’ second son as Eliezer.
Exodus 4:20 calls the shepherd’s staff:
“The staff of God.”
The physical object has not changed in appearance. What has changed is its purpose.
It has been surrendered for God’s mission.
The staff that once guided Jethro’s sheep will now be lifted in events that reveal God’s authority over Egypt.
“When you return to Egypt, see that you perform before Pharaoh all the wonders I have given you the power to do. But I will harden his heart so that he will not let the people go.”
This introduces one of Exodus’s most difficult theological subjects: the hardening of Pharaoh’s heart.
Exodus uses several Hebrew terms:
Chazaq — to strengthen, make firm, or harden
Kaved — to be heavy or unresponsive
Qashah — to be hard, severe, or stubborn
The language describes Pharaoh becoming firmly resistant to God.
God declares in advance that He will harden Pharaoh’s heart.
This means Pharaoh’s rebellion will not place him outside God’s sovereignty. God will use Pharaoh’s resistance to reveal divine power and judgment.
Pharaoh will not accidentally defeat God’s plan. Even his stubbornness will serve the wider revelation of God’s glory.
Later chapters also say:
Pharaoh hardened his heart.
Pharaoh’s heart became hard.
God hardened Pharaoh’s heart.
All three descriptions matter.
Pharaoh is not an innocent man whom God transforms into an unwilling villain. Before the conflict, Pharaoh already represents a system that has:
Enslaved Israel
Oppressed workers
Ordered the murder of children
Rejected God’s ownership of His people
Pharaoh resists because he is proud and determined to maintain control.
Divine hardening is also judicial. God confirms Pharaoh in the rebellion Pharaoh has chosen.
A person who repeatedly resists truth can reach a condition in which the heart becomes increasingly insensitive.
Scripture affirms both truths:
God is sovereign over the entire conflict.
Pharaoh is responsible for his choices.
We may not fully understand how these truths fit together, but we should not remove either one.
God’s sovereignty does not make Pharaoh innocent. Pharaoh’s responsibility does not make God powerless.
“Then say to Pharaoh, ‘This is what the LORD says: Israel is my firstborn son.’”
This is one of the most important descriptions of Israel in the Old Testament.
God calls the nation of Israel His son.
This does not mean Israel is divine or physically descended from God. It describes a covenant relationship.
As God’s son, Israel is:
Chosen
Loved
Given an inheritance
Called to represent the Father
Expected to obey
Disciplined when rebellious
The firstborn son in the ancient world normally held a place of special inheritance, privilege, and responsibility.
Israel was not the first nation to exist. “Firstborn” therefore refers to covenant status rather than chronological birth.
God chose Israel for a privileged purpose—to know Him and represent Him among the nations.
Election is not permission for pride. It is a calling to worship, holiness, and service.
God tells Pharaoh:
“Let my son go, so he may worship me.”
Pharaoh has attacked God’s son by killing Israel’s sons.
The conflict becomes personal and covenantal.
Pharaoh refuses to release God’s firstborn, so judgment will fall upon Egypt’s firstborn.
“But you refused to let him go; so I will kill your firstborn son.”
— Exodus 4:23
This anticipates the final plague.
The judgment is severe, but it does not appear without context. Pharaoh has already commanded the killing of Hebrew sons and continues refusing repeated opportunities to submit to God.
“At a lodging place on the way, the LORD met Moses and was about to kill him.”
This is one of the most difficult and mysterious passages in Exodus.
Moses has finally begun obeying, but suddenly the LORD confronts him with deadly seriousness.
The passage appears to involve Moses’ failure to circumcise one of his sons.
Circumcision was the sign of God’s covenant with Abraham:
“Any uncircumcised male…will be cut off from his people; he has broken my covenant.”
— Genesis 17:14
Moses was being sent as the representative of the God of Abraham, Isaac, and Jacob. Yet within his own household, the covenant sign had apparently been neglected.
The man called to lead the covenant people had failed to honor the covenant in his family.
Most translations understand Moses as the person under threat, although the Hebrew pronouns leave some ambiguity. Some interpreters suggest that Moses’ son was under threat.
The most natural reading is that God confronted Moses because of covenant disobedience, and the circumcision of his son removed the danger.
The passage does not explain why the circumcision had been neglected. Possibilities include:
Moses had delayed it.
Zipporah had objected.
Moses had become careless about his Hebrew covenant identity.
Life in Midian had weakened his attention to the covenant sign.
These remain possibilities, not established facts.
“But Zipporah took a flint knife, cut off her son’s foreskin and touched Moses’ feet with it.”
Flint knives were commonly used for circumcision.
Zipporah understands that circumcision is required and acts quickly.
The phrase “touched his feet” is difficult. “Feet” can sometimes function as a modest expression for the genital area, but it may refer literally to Moses’ feet. The precise action and ritual meaning are uncertain.
Zipporah says:
“Surely you are a bridegroom of blood to me.”
The exact meaning is debated.
It may express:
Her distress over the bloody circumcision
A statement that Moses’ life has been restored through blood
Recognition that the marriage relationship is now connected with the covenant sign
A traditional circumcision expression
Verse 26 explains that she said “bridegroom of blood” in connection with circumcision.
We should remain humble where the text is unclear. The central point is more certain than every detail:
God’s covenant sign had been neglected.
Moses came under divine judgment.
Zipporah circumcised the son.
Blood was shed.
God allowed Moses to continue.
This event teaches that God’s chosen leader is not exempt from obedience.
Moses cannot confront Pharaoh for resisting God while personally neglecting God’s command.
Public ministry cannot substitute for private obedience.
Before Moses can announce judgment upon Egypt’s firstborn, covenant order must be addressed within his own household.
The incident also introduces a pattern that will become central at Passover:
Death threatens.
Blood is shed according to God’s covenant provision.
Judgment passes.
Life is preserved.
We should not force every detail into a complete picture of the cross. Nevertheless, the broader Exodus theme is clear: deliverance from death is connected with blood provided under God’s covenant.
“The LORD said to Aaron, ‘Go into the wilderness to meet Moses.’”
While God has been dealing with Moses, He has also been preparing Aaron.
Aaron meets Moses at “the mountain of God” and kisses him, a normal expression of family affection and reunion.
Moses tells Aaron:
Everything God commanded
The message for Israel and Pharaoh
The signs God gave him
God fulfills His promise to provide a partner.
Moses does not have to convince Aaron through his own ability. God has already directed Aaron toward him.
Moses and Aaron gather Israel’s elders. Aaron communicates God’s message, and the signs are performed.
Then the text says:
“And they believed.”
Moses had asked:
“What if they do not believe me?”
God’s word proves true. The elders listen, and the people believe.
Fear predicted rejection. God had promised reception.
The people hear that the LORD:
Has watched over them
Has seen their misery
Is preparing to act
Their circumstances have not yet changed:
Pharaoh still rules.
The slave masters remain.
The bricks must still be made.
The people are still in Egypt.
Yet they worship because they now know God has seen them.
“They bowed down and worshiped.”
— Exodus 4:31
Worship begins before deliverance is completed.
Israel worships based on:
God’s character
God’s promise
God’s covenant faithfulness
God’s concern for His people
They do not wait until they have crossed the sea.
Faith worships when the promise has been heard, even before its complete fulfillment has been seen.
God patiently answers Moses’ questions and provides help.
But when Moses says, “Send someone else,” God becomes angry.
Weakness honestly surrendered to God is different from unbelief used to justify disobedience.
The staff has no magical ability. Moses has no natural power to perform signs.
God uses an ordinary staff and an inadequate servant so the glory belongs to Him.
The Creator of the mouth can use a hesitant speaker.
Our limitations may shape how we serve, but they do not automatically disqualify us from serving.
Moses could not represent God publicly while ignoring covenant responsibility privately.
Spiritual authority does not excuse hidden disobedience. It makes integrity even more necessary.
Israel is God’s firstborn son, not Pharaoh’s property.
Redemption is God reclaiming His people so they may worship and serve Him.
Moses predicted that Israel would not believe. God said the elders would listen.
At the end of the chapter, the people believe and worship.
Human fear imagines possibilities. Faith rests upon God’s promise.
Israel is called God’s firstborn son, but Israel will repeatedly fail to obey.
Jesus is the faithful Son who perfectly obeyed the Father.
At His baptism, the Father declared:
“This is my Son, whom I love; with him I am well pleased.”
— Matthew 3:17
Jesus succeeds where Israel fails.
Moses said:
“Please send someone else.”
The eternal Son willingly entered the world to accomplish salvation.
His obedience reached its greatest expression at the cross:
“Not my will, but yours be done.”
— Luke 22:42
Jesus experienced genuine anguish, but He did not refuse the Father’s saving purpose.
Moses needed:
Signs to establish his calling
Aaron to help him speak
Correction for covenant disobedience
Protection from divine judgment
God’s continual patience
Jesus is the sinless and perfect Deliverer.
Moses brought God’s words. Jesus is the eternal Word made flesh.
Moses carried the staff of God. Jesus exercised divine authority over disease, nature, demons, sin, and death.
God warned Pharaoh that Egypt’s firstborn would die if Pharaoh continued holding Israel in slavery.
In the gospel, God did not spare His own Son:
“He who did not spare his own Son, but gave him up for us all…”
— Romans 8:32
Jesus was not judged for His own sin. He willingly bore the judgment deserved by sinners.
Through the blood of Christ, those who trust Him are rescued from condemnation and brought into God’s family.
When does honest recognition of weakness become an excuse for disobedience, and how can we recognize the difference?
What do the three signs reveal about God’s authority over nature, the human body, Egypt, and judgment?
How can God’s sovereignty in hardening Pharaoh’s heart be understood alongside Pharaoh’s responsibility for his own rebellion?
Why was Moses’ neglected covenant responsibility serious enough for God to confront him before he entered Egypt?
Israel worshiped before its circumstances changed. What enables believers to worship God while still waiting for deliverance?
Moses really was inadequate for the assignment. The answer was not pretending otherwise.
God’s answer was:
“I will be with you.”
“I will be with your mouth.”
“I will teach you what to say.”
Christian confidence is not self-confidence wearing religious language. It is confidence in God’s presence and sufficiency.
There is nothing wrong with bringing fears to God. But repeated excuses can become a way of avoiding obedience.
If God has answered through His Word, continued resistance is no longer careful discernment. It may be delayed disobedience.
Sometimes the next spiritual step is not obtaining more information. It is obeying what God has already made clear.
God gave Moses Aaron.
Believers were never designed to serve alone. Asking for help can demonstrate humility and wisdom.
Healthy ministry recognizes that different people possess different gifts. One may lead, another speak, another organize, another encourage, and another serve quietly.
The goal is not proving that we can do everything. The goal is faithfully completing what God gives His people to do together.
The incident involving circumcision warns against public spirituality without private obedience.
A person may preach, lead, organize, or serve visibly while neglecting serious responsibilities at home.
Ministry success does not compensate for:
Dishonesty
Spiritual neglect
Broken promises
Unrepentant sin
Mistreatment of family
Refusal to obey God privately
God cares about the servant before He uses the service.
Exodus 4 ends with Israel still enslaved. Yet the people bow in worship because they know God has seen their suffering.
Mature faith does not worship only after receiving the desired answer. It worships because God is present, faithful, and worthy.
The chains had not fallen yet, but God had spoken.
Sometimes the first evidence of deliverance is not a changed circumstance. It is renewed faith in the God who has promised to act.