الزكاة : Hadeeth No:2184
Jabir reported that a person among the Ansar who was called Abu Madhkur granted posthumous freedom to his slave who was called Ya'qub. The rest of the hadith is the same....
صفة القيامة والجنة والنار : Hadeeth No:6736
Anas reported this hadlth through another chain of transmitters and the words are:" It would be said to him: You have told a lie; what had been demanded from you was quite easier than this (the belief in the Oneness of Allaah)."...