1 Samuel 15:35
And Samuel came no more to see Saul until the day of his death: nevertheless Samuel mourned for Saul: and the LORD repented that he had made Saul king over Israel.
Nave's Topical Index—AKJV

1 Samuel 16:1
And the LORD said to Samuel, How long will you mourn for Saul, seeing I have rejected him from reigning over Israel? fill your horn with oil, and go, I will send you to Jesse the Bethlehemite: for I have provided me a king among his sons.
Nave's Topical Index—AKJV