1 Samuel 17:37-39
Amplified Bible, Classic Edition
37 David said, The Lord Who delivered me out of the paw of the lion and out of the paw of the bear, He will deliver me out of the hand of this Philistine. And Saul said to David, Go, and the Lord be with you!
38 Then Saul clothed David with his armor; he put a bronze helmet on his head and clothed him with a coat of mail.
39 And David girded his sword over his armor. Then he tried to go, but could not, for he was not used to it. And David said to Saul, I cannot go with these, for I am not used to them. And David took them off.Read full chapter