1 Samuel 17:37-39 Douay-Rheims 1899 American Edition (DRA)
37 And 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 thee.
38 And Saul clothed David with his garments, and put a helmet of brass upon his head, and armed him with a coat of mail.
39 And David having girded his sword upon his armour, began to try if he could walk in armour: for he was not accustomed to it. And David said to Saul: I cannot go thus, for I am not used to it. And he laid them off,