Leviticus 19:17
You shall not hate your brother in your heart: you shall in any wise rebuke your neighbor, and not suffer sin on him.
Torrey's Topical Textbook—AKJV

Matthew 18:15
Moreover if your brother shall trespass against you, go and tell him his fault between you and him alone: if he shall hear you, you have gained your brother.
Torrey's Topical Textbook—AKJV