Proverbs 10:13 in the World English Bible
Wisdom is found on the lips of him who has discernment, but a rod is for the back of him who is void of understanding.
Context
12 Hatred stirreth up strifes: but love covereth all sins.
13 In the lips of him that hath understanding wisdom is found: but a rod is for the back of him that is void of understanding.
14 Wise men lay up knowledge: but the mouth of the foolish is near destruction.