‏الأشربة : Hadeeth No:5039 Ibn Ka'b b. Malik reported on the authority of his father that he saw Allaah's Messenger (sallAllaahu alayhi wa sallam) licking his three fingers (after having finished the food). Ibn Hatim made no mention of" three". This hadith is also narrated through another chain of transmitters....

‏الإيمان : Hadeeth No: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....