Authentic
Jami' at-Tirmidhi 2438
" I was with a troop in Jerusalem, and a man among them said: 'I heard the Messenger of Allah (s.a.w) saying: "From the intersection of one man in my Ummah more (people) then Banu Tamim will be admitted into Paradise.' It was said: 'O Messenger of Allah! Someone other than you?' He said: 'Other…
" يَدْخُلُ الْجَنَّةَ بِشَفَاعَةِ رَجُلٍ مِنْ أُمَّتِي أَكْثَرُ مِنْ بَنِي تَمِيمٍ " . قِيلَ يَا رَسُولَ اللَّهِ سِوَاكَ قَالَ " سِوَاىَ "