Leviticus 19:15

19:15 "'You shall do no injustice in judgment: you shall not be partial to the poor, nor show favoritism to the great; but in righteousness shall you judge your neighbor.
-World English Bible

Other Translation

19:15 Ye shall do no unrighteousness in judgment: thou shalt not respect the person of the poor, nor honour the person of the mighty: [but] in righteousness shalt thou judge thy neighbour.
-King James Version