1 Samuel 18:29

"And Saul was yet the more afraid of David; and Saul became David’s enemy continually."

Cross References (ranked by relevance)

Again, I considered all travail, and every right work, that for this a man is envied of his neighbour. This is also vanity and vexation of spirit.

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

Thou believest that there is one God; thou doest well: the devils also believe, and tremble.

Then from that day forth they took counsel together for to put him to death.

Wherefore when Saul saw that he behaved himself very wisely, he was afraid of him.