1 Samuel 12:23
Moreover as for me, God forbid that I should sin against the LORD in ceasing to pray for you: but I will teach you the good and the right way:
Nave's Topical Index—AKJV

1 Samuel 15:11,35
It repents me that I have set up Saul to be king: for he is turned back from following me, and has not performed my commandments. And it grieved Samuel; and he cried to the LORD all night.
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