But Saul replied, “You cannot go out against this Philistine to fight him. You are just a boy, and he has been a warrior from his youth.”
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 17:33 >And Saul said to David: 'Thou art not able to go against this Philistine to fight with him; for thou art but a youth, and he a man of war from his youth.'