1st Samuel 18:7

4 Jonathan stripped himself of the robe that was on him, and gave it to David, and his clothing, even to his sword, and to his bow, and to his sash.

5 David went out wherever Saul sent him, [and] behaved himself wisely: and Saul set him over the men of war, and it was good in the sight of all the people, and also in the sight of Saul`s servants.

6 It happened as they came, when David returned from the slaughter of the Philistine, that the women came out of all the cities of Israel, singing and dancing, to meet king Saul, with tambourines, with joy, and with instruments of music.

7 The women sang one to another as they played, and said, Saul has slain his thousands, David his ten thousands.

8 Saul was very angry, and this saying displeased him; and he said, They have ascribed to David ten thousands, and to me they have ascribed but thousands: and what can he have more but the kingdom?

9 Saul eyed David from that day and forward.

10 It happened on the next day, that an evil spirit from God came mightily on Saul, and he prophesied in the midst of the house: and David played with his hand, as he did day by day. Saul had his spear in his hand;