This is a most humane and merciful addition to the law in

Exodus 21:2-11 If you buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing...

; enforced upon the Israelites by the consideration of their Egyptian bondage. As a faithful servant has made no property for himself while honestly serving his master, so now, when he quits his service, he has nothing to begin the world with except what the kindness of his master may bestow upon him as a remuneration for his zeal and fidelity. Though what was to be bestowed upon servants is not fixed, yet they were to be {liberally} supplied.

Deuteronomy 15:14 You shall furnish him liberally out of your flock, and out of your floor, and out of your wine press...

Genesis 31:42 Except the God of my father, the God of Abraham, and the fear of Isaac, had been with me, surely you had sent me away now empty...

Exodus 3:21 And I will give this people favor in the sight of the Egyptians: and it shall come to pass, that, when you go, you shall not go empty.

Leviticus 25:42-44 For they are my servants, which I brought forth out of the land of Egypt: they shall not be sold as slaves...

Proverbs 3:27,28 Withhold not good from them to whom it is due, when it is in the power of your hand to do it...

Jeremiah 22:13 Woe to him that builds his house by unrighteousness, and his chambers by wrong; that uses his neighbor's service without wages...

Malachi 3:5 And I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers...

Colossians 4:1 Masters, give to your servants that which is just and equal; knowing that you also have a Master in heaven.