1 Samuel 10:9 in the King James Version
And it was so, that when he had turned his back to go from Samuel, God gave him another heart: and all those signs came to pass that day.
Context
8 “Go down ahead of me to Gilgal; and behold, I will come down to you to offer burnt offerings and to sacrifice sacrifices of peace offerings. Wait seven days, until I come to you and show you what you are to do.”
9 It was so, that when he had turned his back to go from Samuel, God gave him another heart; and all those signs happened that day.
10 When they came there to the hill, behold, a band of prophets met him; and the Spirit of God came mightily on him, and he prophesied among them.