Proverbs 14:33 in the King James Version
Wisdom resteth in the heart of him that hath understanding: but that which is in the midst of fools is made known.
Context
32 The wicked is brought down in his calamity, but in death, the righteous has a refuge.
33 Wisdom rests in the heart of one who has understanding, and is even made known in the inward part of fools.
34 Righteousness exalts a nation, but sin is a disgrace to any people.