Proverbs 23:27 in the World English Bible
For a prostitute is a deep pit; and a wayward wife is a narrow well.
Context
26 My son, give me thine heart, and let thine eyes observe my ways.
27 For a whore is a deep ditch; and a strange woman is a narrow pit.
28 She also lieth in wait as for a prey, and increaseth the transgressors among men.