5 And he had a helmet of brass upon his head, and he was clad with a coat of mail; and the weight of the coat was five thousand shekels of brass.

Matthew Henry's Commentary on 1 Samuel 17:5

Commentary on 1 Samuel 17:1-11

(Read 1 Samuel 17:1-11)

Men so entirely depend upon God in all things, that when he withdraws his help, the most valiant and resolute cannot find their hearts or hands, as daily experience shows.