Sa'id ibn al-Musayyib سعيد بن المسيب بن حزن أبو محمد القرشي · Chapters Regarding Funerals

“The Prophet (ﷺ) said to me: ‘When you enter upon one who is sick, tell him to pray for you, for his supplication is like the supplication of the angels.’”

“While I was walking with the Messenger of Allah (ﷺ) he said: ‘O son of Khasasiyyah, why are you angry with Allah when you are walking with the Messenger of Allah?’ I said: ‘O Messenger of Allah! I am not angry with Allah at all. Allah has bestowed all good on me.’ Then he passed by the graves of the Muslims and said: ‘They have caught up with a great deal of good.’ Then he passed by the graves of…

It was narrated from ‘Aishah that the Messenger of Allah (ﷺ) gave permission for visiting the graves.