Proverbs 27:5
Open rebuke is better than secret love.
Proverbs 28:23
He that rebukes a man, afterwards shall find more favour than he that flatters with the tongue.
Galatians 2:14
But when I saw that they did not walk uprightly according to the truth of the gospel, I said unto Peter before them all, If thou, being a Jew, dost live after the manner of Gentiles, and not as do the Jews, why dost thou compel the Gentiles to live as do the Jews?
Leviticus 19:17
Thou shalt not hate thy brother in thine heart; thou shalt rebuke thy neighbour in sincerity, that thou not bear sin for him.
Matthew 18:15
Therefore if thy brother shall sin against thee, go and reprove him between thee and him alone; if he shall hear thee, thou hast gained thy brother.
1 Timothy 5:20
Those that persist in sin rebuke before all, that the others may also fear.