1 Samuel 13:10-20

10 And when the burned offering was ended, Samuel came; and Saul went out to see him and to give him a blessing.
11 And Samuel said, What have you done? And Saul said, Because I saw that the people were going away from me, and you had not come at the time which had been fixed, and the Philistines had come together at Michmash;
12 I said, Now the Philistines will come down on me at Gilgal, and I have made no prayer for help to the Lord: and so, forcing myself to do it, I made a burned offering.
13 And Samuel said to Saul, You have done a foolish thing: you have not kept the rules which the Lord your God gave you; it was the purpose of the Lord to make your authority over Israel safe for ever.
14 But now, your authority will not go on: the Lord, searching for a man who is pleasing to him in every way, has given him the place of ruler over his people, because you have not done what the Lord gave you orders to do.
15 Then Samuel went up from Gilgal and the rest of the people went up after Saul against the men of war, and they came from Gilgal to Gibeah in the land of Benjamin: and Saul took the number of the people who were with him, about six hundred men.
16 And Saul, with Jonathan his son and the people who were with them, was waiting in Geba in the land of Benjamin: but the tents of the Philistines were in Michmash.
17 And three bands of men came out from the Philistines to make an attack; one band went by the road which goes to Ophrah, into the land of Shual:
18 And another went in the direction of Beth-horon: and another went by the hill looking down on the valley of Zeboiim, in the direction of the waste land.
19 Now there was no iron-worker in all the land of Israel: for the Philistines said, For fear the Hebrews make themselves swords or spears:
20 But all the Israelites had to go to the Philistines to get their ploughs and blades and axes and hooks made sharp;