1 Corinthians 5:1
A case of immorality is reported as actually existing among you, an immorality unheard of even among the heathen that a man cohabits with his father's wife.
James 1:6-8
But he must ask in faith, without a doubt, for the man who doubts is like a wave of the sea that is whirled and swayed by the wind.
2 Peter 2:14
They have eyes full of adultery and insatiable by sin. They practice enticing unsteady souls. They have trained their hearts in greed. They are doomed to a curse!
2 Peter 3:16
speaking of it as he does in all his letters. In them are some things hard to understand, which the ignorant and unsteady twist to their ruin, as they do the rest of the Scriptures.