Then Allah the Almighty said: “{He has only forbidden to you dead animals, blood, and the flesh of swine.}” (Al-Nahl 115).

And He, the Exalted, said: “{Say, ‘I do not find within that which was revealed to me [anything] forbidden to one who would eat it unless it be a dead animal or blood spilled out or the flesh of swine—for indeed, it is impure—or it be [that which is] grave disobedience, dedicated to other than Allah.}’” (Al-An'am 145).

Thus, He—Glory be to Him—clarified to us that these three prohibitions are the foundations (Usul) for those branches (Furu'), and we have explained them; so understand that, for we have presented what we have narrated from our masters and sheikhs, peace be upon them.

He—may Allah sanctify him—also excelled in clarifying the meaning of the prohibitions in the aforementioned fifth chapter by saying: "As for the prohibitions regarding the Hearing (Sama'), none know their validity except the submitting believers (al-Muslimun al-Mu'minun), due to their view of the prohibition [found] in their Book, to the exclusion of all other books."

First among these: it is not permissible for a believer whose disciple (Tilmidh) has heard the Word of Divine Unity (Kalimat al-Tawhid) and then forgotten the Constitution (al-Dustur), to let him hear it a second time from his true [spiritual] father who was [himself] a disciple for him, even if he were compelled to it; because he is in the position of the mother,