Tafsirin "Al-Bayan fi Tafsir al-Qur'an" na Ayatollah Khoui yana daya daga cikin tafsirin zamani wanda ke da sha'awar da'irar kimiyya tun lokacin da ya rubuta shi. Wannan kulawar ta samo asali ne saboda fitattun halayen Ayatullah Khoi da kuma amfani da hanyar ijtihadi wajen tafsirin kur'ani mai girma. Ijtihadi shi ne mafi kololuwar digiri na ilimi da iya fitar da hukunce-hukuncen Sharia. Wannan tafsirin da aka rubuta da harshen Larabci, ya kunshi wasu batutuwan da suka shafi kimiyyar Alkur’ani, wadanda suka hada da mu’ujizozi, murdiya, da kwafi.
Game da marubucin
Sayyid Abulqasem Mousavi Khoei (1892-1899) ya kasance daya daga cikin tushen koyi da Shi'a kuma marubucin littafin Majam Rijal al-Hadith mai juzu'i 23. "Ma'ajm" yana daya daga cikin sharuddan ilimin hadisi kuma ana kiransa littafi ne da ake tattara hadisai a cikinsa bisa sunayen sahabbai da garuruwa da qabilu.
Ayatullah Mirzai Naini da Ayatullah Mohaghegh Esfahani sun kasance daga cikin fitattun malamansa a fannin shari'a da ka'idojin fikihu. Khoi yana da gogewar koyarwa na shekaru saba'in.Malamai da suka hada da Seyyed Mohammad Baqer Sadr, Mirzajavad Tabrizi, Seyed Ali Sistani, Seyed Musi Shabiri Zanjani, Seyed Musi Sadr na daga cikin daliban Khoi.
An tattara da yawa daga cikin ayyukan Khoi a cikin littafi mai juzu'i hamsin mai suna "Encyclopedia of Imam Al-Khoi". Juzu'i na hamsin yana dauke da littafin "Al-Bayan fi Tafsir al-Qur'an".
Hanyar tafsiri Al Bayan
Matsayin da Ayatullah Khoi yake da shi na ilimi da fasaha da ijtihadinsa a cikin ilmummukan Musulunci sun sanya shi yin nazari da gabatar da mas'aloli a cikin kowanne daga cikin wadannan ilmummukan ta hanyar tunani da kuma yawan samun bidi'a da gabatar da sabbin ra'ayoyi da mafita.
Tafsirin "Albayan" shima yana da irin wannan abun ciki. A cikin batutuwan da suka shafi tafsirin ayoyi, kamar: Tafsiri, abubuwan adabi, gabatar da tafsirin ayoyin ko nazarin mahangar tawili, dogaro da iyawarsa ta ilimi, ya yi suka da nazarin mahanga da kawo sabbin dalilai da husuma.
Daga cikin sifofin wannan tawili akwai cikakkiyar ilimin kimiyya. Ayatullah Khoi ya rubuta sharhin "Al Bayan" tare da taimakon ilimi mai girma.
Ayatullah Khoi ya soki malaman tafsirin da suka yi nazari a kan kur’ani ta fuska daya kawai, sannan ya kawo wajibcin samun cikakkiyar kusanci ga kur’ani.
Ayatullah Khoi a cikin tafsirin "Al-Bayan" da farko ya yi kokarin yin nasa tafsirin ayoyin, na biyu kuma ya yi bitar mahangar tafsiri ta hanyar ishara da ayoyin Alkur'ani. Sauran hanyoyin tafsirinsa bayan Alkur’ani sun hada da: Hadisan Ahlul Baiti, nazarce-nazarce da kuma wuraren adabi.