Jami` at-Tirmidhi 2737
جامع الترمذي#2737SahihNarrated Abu Hurairah:that the Messenger of Allah (ﷺ) said: "There are six things due from the believer to another believer: Visiting him when he is ill, attending (his funeral) to him when he dies, accepting his invitation when he invites, giving him Salam when he meets him, replying to him when he sneezes, and wishing him well when he is absent and when he is present
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 MaaroufSahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 43:2