1 Samuel 17:39

Then David, having girded his sword over his armor, began to see if he could walk in the armor. But he was not accustomed to it. And David said to Saul: "I cannot move about in this way. For I am not used to it." And he put them aside

Other versions

King James Version

And David girded his sword upon his armour, and he assayed to go; for he had not proved it. And David said unto Saul, I cannot go with these; for I have not proved them. And David put them off him.

English Standard Version

and David strapped his sword over his armor. And he tried in vain to go, for he had not tested them. Then David said to Saul, "I cannot go with these, for I have not tested them." So David put them off.

New International Version

David fastened on his sword over the tunic and tried walking around, because he was not used to them. "I cannot go in these," he said to Saul, "because I am not used to them." So he took them off.