He took his life in his hands when he struck down the Philistine, and the LORD worked a great salvation for all Israel. You saw it and rejoiced, so why would you sin against innocent blood by killing David for no reason?”
Saul and Jonathan appear here in their different characters, with reference to David. I. Never was enemy so unreasonably cruel as Saul. He spoke to his son and all his servants that they should kill David, Sa1 19:1. His projects to take him off had failed, and therefore he proclaims him an out-law, and charges all about him, upon their allegiance, to take the first opportunity to kill David.
Commenting on 1 Samuel 19:1-7
For he did put his life in his hand,.... Exposed himself to the utmost danger, when no one in all the camp of Israel would do the like: and slew the Philistine; Goliath of Gath, who defied the armies of Israel; against him he went unarmed, only with his sling and stones, and fought him, and slew him: and the Lord wrought a great salvation...
For he did put his life in his hand - The pleadings in this verse, though short, are exceedingly cogent; and the argument is such as could not be resisted.