There are two prayers on this page. The first, Canticle of the Sun, has historical evidence of authenticity as being authored by St Francis. It is glorious! The second prayer (actually called The St. Francis Prayer) appears to lack historical evidence attributing him as the author, regardless, it has been attributed to St. Francis in the USA since the late 1920's. It is a masterpiece of self surrender!
CANTICLE OF THE SUN (written by Saint Francis in blindness on his deathbed, late 1224)
Most high, all powerful, all good Lord!
All praise is Yours, all glory, all honor, and all blessing.
To You, alone, Most High, do they belong.
No mortal lips are worthy to pronounce Your name.
Be praised, my Lord, through all Your creatures,
especially through my lord Brother Sun,
who brings the day; and You give light through him.
And he is beautiful and radiant in all his splendor!
Of You, Most High, he bears the likeness.
Be praised, my Lord, through Sister Moon and the stars;
in the heavens You have made them bright, precious and beautiful.
Be praised, my Lord, through Brothers Wind and Air,
and clouds and storms, and all the weather,
through which You give Your creatures sustenance.
Be praised, my Lord, through Sister Water;
she is very useful, and humble, and precious, and pure.
Be praised, my Lord, through Brother Fire,
through whom You brighten the night.
He is beautiful and cheerful, and powerful and strong.
Be praised, my Lord, through our sister Mother Earth,
who feeds us and rules us,
and produces various fruits with colored flowers and herbs.
Be praised, my Lord, through those who forgive for love of You;
through those who endure sickness and trial.
Happy those who endure in peace,
for by You, Most High, they will be crowned.
Be praised, my Lord, through our sister Bodily Death,
from whose embrace no living person can escape.
Woe to those who die in mortal sin!
Happy those she finds doing Your most holy will.
The second death can do no harm to them.
Praise and bless my Lord, and give thanks,
and serve Him with great humility.
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THE SAINT FRANCIS PRAYER (historical scholars have not actually been able to attribute this prayer to St. Francis yet it is best known under his name.)
"The first appearance of the Peace Prayer occurred in France in 1912 in a small spiritual magazine called La Clochette (The Little Bell). It was published in Paris by a Catholic association known as La Ligue de la Sainte-Messe (The Holy Mass League), founded in 1901 by a French priest, Father Esther Bouquerel (1855-1923). The prayer bore the title of 'Belle prière à faire pendant la messe' (A Beautiful Prayer to Say During the Mass), and was published anonymously. The author could possibly have been Father Bouquerel himself, but the identity of the author remains a mystery." -Franciscan-Archive
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Prayer of Saint Francis of Assisi
Lord, make me an instrument of thy peace!
That where there is hatred, I may bring love.
That where there is wrong, I may bring the spirit of forgiveness.
That where there is discord, I may bring harmony.
That where there is error, I may bring truth.
That where there is doubt, I may bring faith.
That where there is despair, I may bring hope.
That where there are shadows, I may bring light.
That where there is sadness, I may bring joy.
Lord, grant that I may seek rather to comfort, than to be comforted.
To understand, than to be understood.
To love, than to be loved.
For it is by self-forgetting that one finds.
It is by forgiving that one is forgiven.
It is by dying that one awakens to Eternal Life.
—Saint Francis of Assisi—