Hata hivyo, Muislamu anaweza kujifunza kutoka kwa Muislamu au kutoka kwa asiye Muislamu sayansi zisizo za kidhahania kama kemia, fizikia, biolojia, unajimu, tiba, viwanda, kilimo, utawala (kwa kuzingatia vipengele vyake vya kiufundi pekee), teknolojia, sanaa za kijeshi na sayansi na sanaa nyingine zinazofanana; ingawa kanuni ya msingi ni kwamba jamii ya Waislamu inapoanzishwa inapaswa kutoa wataalamu wengi katika nyanja hizi zote, kwa kuwa sayansi na sanaa hizi zote ni wajibu wa kutosha (Fard al-Kifayah) kwa Waislamu (yaani, kunapaswa kuwepo idadi ya kutosha ya watu wanaobobea katika sayansi na sanaa hizi mbalimbali ili kukidhi mahitaji ya jamii). Ikiwa mazingira yanayofaa hayatolewi ambamo sayansi na sanaa hizi zinastawi katika jamii ya Kiislamu, jamii nzima itachukuliwa kuwa imetenda dhambi; lakini mradi masharti haya hayajatimizwa, inaruhusiwa kwa Muislamu kujifunza sayansi hizo kutoka kwa Muislamu au asiye Muislamu na kupata uzoefu chini ya uongozi wake, bila ubaguzi wa dini. Haya ni mambo yaliyomo katika Hadith isemayo, "Ninyi mnajua zaidi mambo ya dunia yenu." Sayansi hizi hazihusiani na dhana za msingi za Muislamu kuhusu maisha, ulimwengu, mwanadamu, lengo la kuumbwa kwake, wajibu wake, uhusiano wake na ulimwengu wa kimwili na na Muumba; pia hazihusiani na misingi ya sheria, kanuni na taratibu zinazopanga maisha ya watu binafsi na makundi, wala hazihusiani na maadili, tabia, mila, desturi, thamani na viwango vinavyoenea katika jamii na vinavyoipa jamii umbo na sura yake. Kwa hiyo hakuna hatari kwamba Muislamu, kwa kujifunza sayansi hizi kutoka kwa asiye Muislamu, ataharibu imani yake au kurudi kwenye Jahiliyyah.
However, a Muslim can go to a Muslim or to a non-Muslim to learn abstract sciences such as chemistry, physics, biology, astronomy, medicine, industry, agriculture, administration (limited to its technical aspects), technology, military arts and similar sciences and arts; although the fundamental principle is that when the Muslim community comes into existence it should provide experts in all these fields in abundance, as all these sciences and arts are a sufficient obligation (Fard al-Kifayah) on Muslims (that is to say, there ought to be a sufficient number of people who specialize in these various sciences and arts to satisfy the needs of the community). If a proper atmosphere is not provided under which these sciences and arts develop in a Muslim society, the whole society will be considered sinful; but as long as these conditions are not attained, it is permitted for a Muslim to learn them from a Muslim or a non-Muslim and to gain experience under his direction, without any distinction of religion. These are those affairs which are included in the Hadith, "You know best the affairs of your business". These sciences are not related to the basic concepts of a Muslim about life, the universe, man, the purpose of his creation, his responsibilities, his relationship with the physical world and with the Creator; these are also not related to the principles of law, the rules and regulations which order the lives of individuals and groups, nor are they related to morals, manners, traditions, habits, values and standards which prevail in the society and which give the society its shape and form. Thus there is no danger that a Muslim, by learning these sciences from a non- Muslim, will distort his belief or will return to Jahiliyyah.