anyone whose heart god has opened up to islam possesses a light from his lord. but woe betide those whose hearts have been hardened against the rememberance of god! such people are in obvious error.
أفمن شرح الله صدره للإسلام فهو على نور من ربه فويل للقاسية قلوبهم من ذكر الله أولئك في ضلال مبين