Though men be risen up to pursue you, and to seek your soul, yet the soul of my lord shall be bound in the bundle of life with Yahweh your God; and the souls of your enemies, them shall he sling out, as from the hollow of a sling.
So Abigail is there pleading with David. Beautiful woman, has brought all of these things, and she is making good sense. "You know why should you avenge yourself. God will avenge you David. He's taken care of you, and so forgive the foolishness of this foolish man."