21وَإِن مِن شَيءٍ إِلّا عِندَنا خَزائِنُهُ وَما نُنَزِّلُهُ إِلّا بِقَدَرٍ مَعلومٍJ. M. RodwellAnd no one thing is there, but with Us are its storehouses; and We send it not down but in settled measure: