Al Hijr Ayah 21

وَإِن مِّن شَىْءٍ إِلَّا عِندَنَا خَزَآئِنُهُۥ وَمَا نُنَزِّلُهُۥٓ إِلَّا بِقَدَرٍ مَّعْلُومٍ ٢١ There is not any means ?of sustenance? whose reserves We do not hold, only bringing it forth in precise measure.