Proverbs 24:7 KJV
Wisdom is too high for a fool: he openeth not his mouth in the gate.
Proverbs 24:7, King James Version
In 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.