Proverbs 24:7 in the World English Bible
Wisdom is too high for a fool. He doesn’t open his mouth in the gate.
Context
6 For by wise counsel thou shalt make thy war: and in multitude of counsellors there is safety.
7 Wisdom is too high for a fool: he openeth not his mouth in the gate.
8 He that deviseth to do evil shall be called a mischievous person.