1 Samuel 13:13
King James Version
“And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of the LORD thy God, which he commanded thee: for now would the LORD have established thy kingdom upon Israel for ever.”
Context
10And it came to pass, that as soon as he had made an end of offering the burnt offering, behold, Samuel came; and Saul went out to meet him, that he might salute him.
11And Samuel said, What hast thou done? And Saul said, Because I saw that the people were scattered from me, and thou camest not within the days appointed, and the Philistines gathered themselves together at Michmash;
12Therefore said I, The Philistines will come down now upon me to Gilgal, and I have not made supplication unto the LORD: I forced myself therefore, and offered a burnt offering.
13And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of the LORD thy God, which he commanded thee: for now would the LORD have established thy kingdom upon Israel for ever.
14But now thy kingdom shall not continue: the LORD hath sought him a man after his own heart, and the LORD hath commanded him captain over his people, because thou hast not kept which the LORD commanded thee.
15And Samuel arose, and gat him up from Gilgal unto Gibeah of Benjamin. And Saul numbered the people present with him, about six hundred men.
16And Saul, and Jonathan his son, and the people present with them, abode in Gibeah of Benjamin: but the Philistines encamped in Michmash.