‏الفرائض : Hadeeth No:3937 Abu Talha reported: 'Umar b. al-Khattab (Allaah be pleased with him) delivered a sermon on Friday and made a mention of Allaah's Prophet (sallAllaahu alayhi wa sallam) and he also made a mention of Abu Bakr (Allaah be pleased with him) and then said: I do not leave behind me any problem more difficu...

‏البر والصلة والآداب‏ : Hadeeth No:6312 This hadith has been narrated on the authority of A'mash with the same chain of transmitters....