1 Samuel 18:8-10

New Revised Standard Version Catholic Edition

⁸ Saul was very angry, for this saying displeased him. He said, “They have ascribed to David ten thousands, and to me they have ascribed thousands; what more can he have but the kingdom?” ⁹ So Saul eyed David from that day on.

Saul Tries to Kill David

¹⁰ The next day an evil spirit from God rushed upon Saul, and he raved within his house, while David was playing the lyre, as he did day by day. Saul had his spear in his hand;