Deuteronomy 4:19

4:19 When you look up to the sky and see the sun, moon, and stars – the whole heavenly creation – you must not be seduced to worship and serve them, for the Lord your God has assigned them to all the people of the world.

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.