Leviticus 19:33-37

And if a stranger sojourn with thee in your land, ye shall not vex him. But the stranger that dwelleth with you shall be unto you as one born among you, and thou shalt love him as thyself; for ye were strangers in the land of Egypt: I am the LORDyour God. Ye shall do no unrighteousness in judgment, in meteyard, in weight, or in measure. Just balances, just weights, a just ephah, and a just hin, shall ye have: I am the LORDyour God, which brought you out of the land of Egypt. Therefore shall ye observe all my statutes, and all my judgments, and do them: I am the LORD.

Deuteronomy 23:19-20

Thou shalt not lend upon usury to thy brother; usury of money, usury of victuals, usury of any thing that is lent upon usury: Unto a stranger thou mayest lend upon usury; but unto thy brother thou shalt not lend upon usury: that the LORD thy God may bless thee in all that thou settest thine hand to in the land whither thou goest to possess it.

Deuteronomy 25:13

Thou shalt not have in thy bag divers weights, a great and a small. 14 Thou shalt not have in thine house divers measures, a great and a small. 15 But thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee. 16 For all that do such things, and all that do unrighteously, are an abomination unto theLORD thy God.

Proverbs 11:11

A false balance is abomination to the LORD: but a just weight is his delight.

Proverbs 20:23

Divers weights are an abomination unto the LORD; and a false balance is not good.

James 2:2

My brethren, have not the faith of our Lord Jesus Christ, the Lord of glory, with respect of persons.