1 Samuel 15:2-3

2This is what the Lord of armies says: ‘I will 1punish Amalek 2for what he did to Israel, in that he obstructed him on the way while he was coming up from Egypt. 3Now go and strike Amalek and 3completely destroy everything that he has, and do not spare him; but 4put to death both man and woman, child and infant, ox and sheep, camel and donkey.’”