22 for thou shalt heap coals of fire upon his head, and Jehovah shall reward thee.

Matthew Henry's Commentary on Proverbs 25:22

Commentary on Proverbs 25:21-22

(Read Proverbs 25:21-22)

The precept to love even our enemies is an Old Testament commandment. Our Saviour has shown his own great example in loving us when we were enemies.