Jami` at-Tirmidhi 2323
جامع الترمذي#2323SahihQa'is bin Abi Hazim said:I heard Mustawrid, a member of Banu Fihr, saying: The Messenger of Allah (s.a.w) said: "The world compared to the Hereafter is but like what one of you gets when placing his finger into the sea, so look at what you draw from it
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 Muslim
In-book reference: 36:20