Merits of the Helpers in Madinah (Ansaar)

Bukhari :: Book 5 :: Volume 58 :: Hadith 141

Narrated Sahl:

Allah's Apostle came to us while we were digging the trench and carrying out the earth on our backs. Allah's Apostle then said, "O Allah ! There is no life except the life of the Hereafter, so please forgive the Emigrants and the Ansar."