1 Corinthians 1:18; 2 Corinthians 4:3; 2 Thessalonians 2:9-10

For the word of the cross is folly to those who are perishing, but to us who are being saved it is the power of God.

And even if our gospel is veiled, it is veiled to those who are perishing.

The coming of the lawless one is by the activity of Satan with all power and false signs and wonders, and with all wicked deception for those who are perishing, because they refused to love the truth and so be saved. (ESV)