The Book of Faith (Kitab Al-Iman)

Muslim :: Book 1 : Hadith 121

Sa'd and Abu Bakra each one of them said: My ears heard and my hearing preserved it that Muhammad (peace and blessings be upon him) observed: He who claimed for another one his fatherhood besides his own father knowingly that he was not his father-to him Paradise is forbidden.

Source materials are from the University of Southern California MSA site
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