Proverbs 14:3

3 In the mouth of a fool [is] a rod of pride, And the lips of the wise preserve them.

Proverbs 14:3 In-Context

1 Every wise woman hath builded her house, And the foolish with her hands breaketh it down.
2 Whoso is walking in his uprightness is fearing Jehovah, And the perverted [in] his ways is despising Him.
3 In the mouth of a fool [is] a rod of pride, And the lips of the wise preserve them.
4 Without oxen a stall [is] clean, And great [is] the increase by the power of the ox.
5 A faithful witness lieth not, And a false witness breatheth out lies.
Young's Literal Translation is in the public domain.