Hadith 947
'A'isha reported Allah's Apostle (ﷺ) saying: If a company of Muslims numbering one hundred pray over a dead person, all of them interceding for him, their intercession for him will be accepted.
Hadith 2706
Anas reported that Allah's Messenger (may peace he upon him) wed to make this supplication:" O Allah, I seek refuge in Thee from miserliness, from sloth and from decrepitude."
Hadith 2933
Anas bin Malik (RA) reported that Allah's Messenger (ﷺ) said: Dajjal is blind of one eye and there is written between his eyes the word "Kafir". He then spelled the word as k. f. r., which every Muslim would be able to read.