Allah's Messenger said: "Whoever sends Salat upon me, Allah sends Salat upon him ten times."
Jami` at-Tirmidhi Book 3, Hadith 33
← Previous Hadith Allah's Messenger said: "The person closest to me on the Day of Judgement is the one who sent the most Salat upon me."

Jami` at-Tirmidhi Book 3, Hadith 32 Next Hadith → "Indeed the supplication stops between the heavens and the earth. Nothing of it is raised up until you send Salat upon your Prophet."

Jami` at-Tirmidhi Book 3, Hadith 34