He it is who hath sent down unto thee the Book, wherein some verses are firmly constructed they are the mother of the Book: and others consimilar. But those in whose hearts is and deviation follow that which is consimilar therein, seeking discord and seeking to misinterpret the same whereas none knoweth the interpretation thereof a save Allah. And the firmly- grounded in knowledge Say: we believe therein, the whole is from our Lord. And none receiveth admonition save men of understanding.