Deuteronomy 15:18

15:18 You should not consider it difficult to let him go free, for he will have served you for six years, twice the time of a hired worker; the Lord your God will bless you in everything you do.

Deuteronomy 17:8

Appeal to a Higher Court

17:8 If a matter is too difficult for you to judge – bloodshed, legal claim, or assault – matters of controversy in your villages – you must leave there and go up to the place the Lord your God chooses.