Now David had said, "Surely in vain I have protected all that this fellow has in the wilderness, so that nothing was missed of all that belongs to him. And he has repaid me evil for good.
1 Samuel 25:21
Surrounding context
25:20 So it was, as she rode on the donkey, that she went down under cover of the hill; and there were David and his men, coming down toward her, and she met them.
25:21 Now David had said, "Surely in vain I have protected all that this fellow has in the wilderness, so that nothing was missed of all that belongs to him. And he has repaid me evil for good.
25:22 May God do so, and more also, to the enemies of David, if I leave one male of all who belong to him by morning light."