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 let him ask in faith, not doubting; for he that doubts is like a wave of the sea, driven with the wind and agitated.
2 Peter 2:14
having eyes full of an adulteress, and unable to cease from sin, enticing unstable souls, having a heart exercised in covetousness, cursed children,
2 Peter 3:16
as also in all his epistles speaking of these things, in which are some things hard to be understood, which the unlearned and unstable wrest as they also do the other Scriptures to their destruction.

Because

1 Corinthians 5:1
IT is commonly reported that there is fornication among you, and such fornication as is not among the gentiles, that a man should have his father's wife.