Proverbs 30:11 in the World English Bible
There is a generation that curses their father, and doesn’t bless their mother.
Context
10 Accuse not a servant unto his master, lest he curse thee, and thou be found guilty.
11 There is a generation that curseth their father, and doth not bless their mother.
12 There is a generation that are pure in their own eyes, and yet is not washed from their filthiness.