Proverbs 30:11 in the King James Version
There is a generation that curseth their father, and doth not bless their mother.
Context
10 “Don’t slander a servant to his master, lest he curse you, and you be held guilty.
11 There is a generation that curses their father, and doesn’t bless their mother.
12 There is a generation that is pure in their own eyes, yet are not washed from their filthiness.