And when We made a covenant with the children of Israel: You shall not serve any but Allah and (you shall do) good to (your) parents, and to the near of kin and to the orphans and the needy, and you shall speak to men good words and keep up prayer and pay the poor-rate. Then you turned back except a few of you and (now too) you turn aside.

And do not approach the property of the orphan except in the best manner until he attains his maturity, and give full measure and weight with justice-- We do not impose on any soul a duty except to the extent of its ability; and when you speak, then be just though it be (against) a relative, and fulfill Allah's covenant; this He has enjoined you with that you may be mindful;