Jami` at-Tirmidhi 1949
جامع الترمذي#1949SahihAbdullah bin 'Umar narrated:"A man came to the Prophet and said: 'O Messenger of Allah! How many times should the servant be pardoned?' The Prophet was silent. Then he said: 'O Messenger of Allah! How many times should the servant be pardoned?' He said: ' Seventy times each day
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiHasan
In-book reference: 27:55