Jami` at-Tirmidhi 2529
جامع الترمذي#2529SahihAbu Hurairah narrated that the Messenger of Allah (s.a.w) said:"In Paradise, there are a hundred levels, between every two levels is (the distance of) a hundred years
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 Sahih
Zubair Ali ZaiSahih
In-book reference: 38:7