Sunan An-Nasa'i

It was narrated from Abdullah bin Abi Talha, from his father, that:The Messenger of Allah (ﷺ) came one day with a cheerful expression on his face, and we said: ""We see you looking cheerful"". He said: ""The Angel came to me and said: 'O Muhammad, your Lord says: 'Will it not please you (to know) that no one will send salah upon you that I will send salah upon him tenfold, and no one will send salams upon you but I will send salams upon him tenfold?