Proverbs 22:21 KJV
That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to them that send unto thee?
Proverbs 22:21, King James Version
In context
20 Have not I written to thee excellent things in counsels and knowledge,
21 That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to them that send unto thee?
22 Rob not the poor, because he is poor: neither oppress the afflicted in the gate: