Jami` at-Tirmidhi 2087
جامع الترمذي#2087Da'ifAbu Sa'eed Al-Khudri narrated that the Messenger of Allah (S.A.W) said:"When one of you visits the ill, then reassure him regarding his lifespan. Indeed that will not repel anything, but it will comfort his soul
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 28:52