Elimu ya hukumu za Shari'ah, ambazo Muislamu anawajibika kuzifuata katika maisha yake, ni faradhi ya kila mtu (fardhi 'ayn) kwa kila Muislamu, kwa sababu ameamrishwa kutekeleza vitendo vyake vyote kulingana na hukumu za Shari'ah. Hii ni kwa sababu khitabu cha uwajibikaji ambacho Mwenye Kutoa Sheria (Ash-Shaari') alikielekeza kwa wanadamu, na kwa waumini, ni khitabu cha wazi na cha uamuzi usioacha nafasi ya kuchagua kwa yeyote kuhusu imani ('iman) au matendo ya binadamu. Hivyo basi, kauli ya Allah (SWT):

Knowledge of the Shari’ah rules, which a Muslim is obliged with in his life, is an individual duty upon every Muslim because he is commanded to undertake all his actions according to the Shari’ah rules. This is because the address of accountability with which the Legislator addressed mankind, and the believers, is a decisive address which leaves no option for anyone concerning the creed (iman) or the activities of man. So Allah (swt)’s statement: