If any does good, the reward to him is better than his deed; but if any does evil, the doers of evil are only punished (to the extent) of their deeds.
83
85
Whoever comes [on the Day of Judgement] with a good deed will have better than it; and whoever comes with an evil deed - then those who did evil deeds will not be recompensed except [as much as] what they used to do.