1 Samuel 19:5

19:5 for he put his life in his hand, and struck the Philistine, and Yahweh worked a great victory for all Israel: you saw it, and did rejoice; why then will you sin against innocent blood, to kill David without a cause?
-World English Bible

Other Translation

19:5 For he did put his life in his hand, and slew the Philistine, and the LORD wrought a great salvation for all Israel: thou sawest [it], and didst rejoice: wherefore then wilt thou sin against innocent blood, to slay David without a cause?
-King James Version