'Spirit of God' in the Bible

When they came to the hill [Gibeah], behold, a group of prophets met him; and the Spirit of God came on him mightily, and he prophesied [under divine guidance] among them.

The Spirit of God came upon Saul mightily when he heard these words, and he became extremely angry.

Then Saul sent messengers to take David; but when they saw the group of prophets prophesying, and Samuel standing and presiding over them, the Spirit of God came on the messengers of Saul; and they also prophesied.

So he went on to Naioth in Ramah; and the Spirit of God came upon him too, and he went along continually prophesying until he came to Naioth in Ramah.