Leviticus 19:32-37

32 "Show respect to the elderly, and honor older people. In this way you show respect for your God. I am the LORD.
33 "Never mistreat a foreigner living in your land.
34 Foreigners living among you will be like your own people. Love them as you love yourself, because you were foreigners living in Egypt. I am the LORD your God.
35 "Don't be corrupt when administering justice concerning length, weight, or measuring liquid.
36 Use honest scales, honest weights, and honest measures. I am the LORD your God who brought you out of Egypt.
37 "Obey all my laws and all my rules, and live by them. I am the LORD."