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

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