Jami` at-Tirmidhi 3111
جامع الترمذي#3111Da'ifNarrated Ibn 'Umar:that 'Umar bin Al-Khattab said: "When this Ayah was revealed: Some among them will be wretches and (others) blessed (11:105). I asked the Messenger of Allah (ﷺ) saying: 'O Prophet of Allah! Based upon what are we then working; something that has already finished or something that has not yet happened?' He said: 'Rather something that has happened, and the Pens have already passed over it O 'Umar! But for everyone, what he has been created for is made easy
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
Zubair Ali ZaiDaif
In-book reference: 47:163