1 Samuel 25:21 (KJV)

And she said unto her servants, Go on before me; behold, I come after you. But she told not her husband Nabal.

And it was so, as she rode on the ass, that she came down by the covert of the hill, and, behold, David and his men came down against her; and she met them.

Now David had said, Surely in vain have I kept all that this fellow hath in the wilderness, so that nothing was missed of all that pertained unto him: and he hath requited me evil for good.

So and more also do God unto the enemies of David, if I leave of all that pertain to him by the morning light any that pisseth against the wall.

And when Abigail saw David, she hasted, and lighted off the ass, and fell before David on her face, and bowed herself to the ground,