Imam Ahmad recorded that Abu Talhah said that the Messenger of Allah came one day looking happy. They said, "O Messenger of Allah, we see that you look happy.'' He said,

«إِنَّهُ أَتَانِي الْمَلَكُ فَقَالَ: يَا مُحَمَّدُ أَمَا يُرْضِيكَ أَنَّ رَبَّكَ عَزَّ وَجَلَّ يَقُولُ: إِنَّهُ لَا يُصَلِّي عَلَيْكَ أَحَدٌ مِنْ أُمَّتِكَ إِلَّا صَلَّيْتُ عَلَيْهِ عَشْرًا، وَلَا يُسَلِّمُ عَلَيْكَ أَحَدٌ مِنْ أُمَّتِكَ إِلَّا سَلَّمْتُ عَلَيْهِ عَشْرًا، قُلْتُ: بَلَى»

(The angel came to me and told me, "O Muhammad, would it not please you if your Lord, may He be glorified, says: `No member of your Ummah sends Salah upon you but I send Salah upon him tenfold, and no member of your Ummah sends greetings of Salam upon you but I send greetings of Salam upon him tenfold''' I said, "Of course.'') This was also recorded by An-Nasa'i.