1 Samuel 8:5; 1 Samuel 8:19-20

5 and said to him, "You are old and your sons do not follow in your ways; appoint for us, then, a king to govern us, like other nations."
19 But the people refused to listen to the voice of Samuel; they said, "No! but we are determined to have a king over us, 20 so that we also may be like other nations, and that our king may govern us and go out before us and fight our battles."