1 Samuel 19:4 in the King James Version
And Jonathan spake good of David unto Saul his father, and said unto him, Let not the king sin against his servant, against David; because he hath not sinned against thee, and because his works have been to thee-ward very good:
Context
3 I will go out and stand beside my father in the field where you are, and I will talk with my father about you; and if I see anything, I will tell you.”
4 Jonathan spoke good of David to Saul his father, and said to him, “Don’t let the king sin against his servant, against David; because he has not sinned against you, and because his works have been very good toward you;
5 for he put his life in his hand and struck the Philistine, and the LORD worked a great victory for all Israel. You saw it and rejoiced. Why then will you sin against innocent blood, to kill David without a cause?”