4:135 O you who believe, stand with justice as witnesses to God, even if against yourselves, or the parents or the relatives. Even if he be rich or poor, God is more worthy of them, so do not follow desire into being unjust. And if you twist or turn away, then God is Expert over what you do.
5:8 O you who believe, stand for God and be witnesses for justice, and let not the hatred towards a people make you avoid being just. Be just, for it is closer to righteousness, and be aware of God. God is expert over what you do.