Amsa: Daga Al-ƙur'ani mai girma, Allah - maɗaukakin sarki - Ya ce: {Lallai wannan Al-ƙur'anin yana shiryarwa ga (halaye) waɗanda suke mafi daidaita}. [Surat Al-Isra'i: 9]. Daga Sunna ta Annabi kuma: inda Manzon Allah - tsira da amincin Allah su tabbata agareshi - ya ce: "Kaɗai ni an aiko ni ne don in cika kyawawan ɗabi'u". Ahmad ne ya ruwaito shi.