(And Allah knoweth best what they are hiding) and Allah knows best what they say and do; and it is also said this means: Allah knows best what they hear and hide in their hearts.
- 84:2323
وَاللَّهُ أَعْلَمُ بِمَا يُوعُونَ
Yet God has full knowledge of what they conceal [in their hearts].
- common.revelation-Meccan
- common.hizb : 236