The next day a spirit of distress sent from God came upon Saul, and he prophesied inside the house while David played the harp as usual. Now Saul was holding a spear,
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 18:10 >And it came to pass on the morrow, that an evil spirit from God came mightily upon Saul, and he raved in the midst of the house; and David played with his hand, as he did day by day; and Saul had his spear in his hand.