Jami` at-Tirmidhi 3096
جامع الترمذي#3096SahihNarrated Anas:that Abu Bakr narrated to him, he said: "While were in the cave, I said to the Prophet (ﷺ): 'If one of them were to look down at his feet, then he would see us under his feet.' So he said: 'O Abu Bakr! What do you think about two, the third of whom is Allah?
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 - Agreed Upon
In-book reference: 47:148