Treasury of Scripture Knowledge

Summary

Unstable as water, thou shalt not excel; because thou wentest up to thy father's bed; then defiledst thou it: he went up to my couch.

Bible References

Unstable

James 1:6
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.

Because

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.