Say: If men and jinn should combine together to bring the like of this Quran, they could not bring the like of it, though some of them were aiders of others.

And when the prophet secretly communicated a piece of information to one of his wives-- but when she informed (others) of it, and Allah made him to know it, he made known part of it and avoided part; so when he informed her of it, she said: Who informed you of this? He said: The Knowing, the one Aware, informed me.