“The Messenger of Allah (ﷺ) led us in prayer one day, then he turned to face us and said: ‘I am now your imam, so do not hasten to bow or prostrate or stand or leave before I do. I can see you in front of me and behind me.’ Then he said: ‘By the One in Whose Hand is my soul, if you had seen what I have seen, you would laugh little and weep much.’ We said: ‘What have you seen, O Messenger of Allah (ﷺ)?’ He said: ‘Paradise and Hell.'”
“The believer owes six duties toward his fellow believer: To visit him when he is sick, to attend his funeral when he dies, to accept his invitation, to greet him with Salam when he meets him, to reply to him (say: Yarhamuk Allah, may Allah have mercy on you) when he sneezes and to be sincere to him, whether he is absent or present.” (Hasan).
“The Messenger of Allah said: “The best of fasting is the fast of Dawud, peace be upon him. He used to fast for one day and break his fast for one day.”‘ ‘Ata said: “someone who heard him told me that Ibn ‘Umar (said) that the Prophet said: ‘Whoever fasts every day of his life, then he has not fasted.”