1 Samuel 17:33 in the King James Version
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.
Context
32 David said to Saul, “Let no man’s heart fail because of him. Your servant will go and fight with this Philistine.”
33 Saul said to David, “You are not able to go against this Philistine to fight with him; for you are but a youth, and he a man of war from his youth.”
34 David said to Saul, “Your servant was keeping his father’s sheep; and when a lion or a bear came and took a lamb out of the flock,