meaning the revelations', and there-after, for the teacher that arrived before and the teacher to arrive there-after, the Highest revelational teachings', were given with deepened contextual understandings', the Book with the set Zeal, the book of spiritual medications', a mercy unto humanity, and is it not for that of the Teacher who arrived before the  gathering muslims', the kalifa', and there-after a set of deepened teachers' who understand, who reach the  levels of mutmin, and are they not also a mercy unto humanity, and these teacher were from what source?, they were from naa'beuu'n or the followers of Mohammedin sa alayhu assalamm'