1 Samuel 30:24 (KJV)

Then answered all the wicked men and men of Belial, of those that went with David, and said, Because they went not with us, we will not give them ought of the spoil that we have recovered, save to every man his wife and his children, that they may lead them away, and depart.

Then said David, Ye shall not do so, my brethren, with that which the Lord hath given us, who hath preserved us, and delivered the company that came against us into our hand.

For who will hearken unto you in this matter? but as his part is that goeth down to the battle, so shall his part be that tarrieth by the stuff: they shall part alike.

And it was so from that day forward, that he made it a statute and an ordinance for Israel unto this day.

And when David came to Ziklag, he sent of the spoil unto the elders of Judah, even to his friends, saying, Behold a present for you of the spoil of the enemies of the Lord;