And from that day forward Saul kept a jealous eye on David.

1 Samuel 18:8
And Saul was furious and resented this song. "They have ascribed tens of thousands to David," he said, "but only thousands to me. What more can he have but the kingdom?"

1 Samuel 18:10
The next day a spirit of distress sent from God came upon Saul, and he prophesied inside the house while David played the harp as usual. Now Saul was holding a spear,

1 Samuel 19:1
Then Saul ordered his son Jonathan and all his servants to kill David. But Jonathan delighted greatly in David,

And Saul eyed David from that day and forward.