إِن تُبْدُوا شَيْئًا أَوْ تُخْفُوهُ فَإِنَّ اللَّهَ كَانَ بِكُلِّ شَيْءٍ عَلِيمًا (54)
(33:54) (It does not matter) whether you disclose something or conceal it, for Allah certainly knows everything. *101
*101) That is, "If a person entertains an evil thought in his heart against the Holy Prophet, or harbours an evil intention about his wives, it will not remain hidden from Allah, and he will be punished for it. "