This law is confirmed by God in the Qur'an...

This law is confirmed by God in the Qur'an, through His Prophet Moses, when he says: "Our Lord is He who gave everything its nature, then guided it" (XX:50) It is further explained in LXXXVII:2-3 as: "He who created and fashioned in balanced proportion and He who measures and guides" As to the creation and the nature of man, the Qur'an says: "By the soul and Him who fashioned it and then inspired it with wrong action and fear of God; he is truly successful who causes it to grow and purifies it and he is a failure who corrupts and destroys it" (XCI:7-l0) God enjoins upon man the duty to "strive towards a sincere application of the din," (that is, the fitrah of God, or the natural code of behavior upon which He has created mankind), since "there is no changing (the laws of) the creation of God" (XXX 30) He also says that: "In truth, the only deen recognized by God is Islam" (III: l9) Here, Islam means submission, the method of submission to these very laws.

The Qur'an further warns that: "the actions of the man who chooses a din other than Islam will not be accepted" (III:85) The gist of the above verses, and other references on the same subject, is that God has guided every creature - be it man, beast or vegetable - to a state of well-being and self-fulfilment appropriate to its individual make-up. Thus the…