1 Samuel 18:12 KJV

And Saul was afraid of David, because the Lord was with him, and was departed from Saul.
1 Samuel 18:12, King James Version

In context

11 And Saul cast the javelin; for he said, I will smite David even to the wall with it. And David avoided out of his presence twice.

12 And Saul was afraid of David, because the Lord was with him, and was departed from Saul.

13 Therefore Saul removed him from him, and made him his captain over a thousand; and he went out and came in before the people.

1 Samuel 18:15 Wherefore when Saul saw that he behaved himself very wisely, he was afraid of him.