Jami` at-Tirmidhi 1994
جامع الترمذي#1994Da'ifIbn Abbas narrated that the Messenger of Allah said:"It is enough sin for you that you never stop disputing
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 27:100