1 Samuel 17:29
King James Version
“And David said, What have I now done? not a cause?”
Context
26And David spake to the men that stood by him, saying, What shall be done to the man that killeth this Philistine, and taketh away the reproach from Israel? for who this uncircumcised Philistine, that he should defy the armies of the living God?
27And the people answered him after this manner, saying, So shall it be done to the man that killeth him.
28And Eliab his eldest brother heard when he spake unto the men; and Eliab’s anger was kindled against David, and he said, Why camest thou down hither? and with whom hast thou left those few sheep in the wilderness? I know thy pride, and the naughtiness of thine heart; for thou art come down that thou mightest see the battle.
29And David said, What have I now done? not a cause?
30And he turned from him toward another, and spake after the same manner: and the people answered him again after the former manner.
31And when the words were heard which David spake, they rehearsed before Saul: and he sent for him.
32And David said to Saul, Let no man’s heart fail because of him; thy servant will go and fight with this Philistine.