Quran 55.56-61
Therein are those of modest gaze, whom neither man nor jinn will have touched before them. Which is it, of the favours of your Lord, that ye deny? (In beauty) like the jacynth and the coral-stone. Which is it, of the favours of your Lord, that ye deny? Is the reward of goodness aught save goodness? Which is it, of the favours of your Lord, that ye deny?