Hazrat Anas (may Allah be pleased with him) narrated that while the Ansar were digging the trench (at the occasion of the Battle of the Trench), they were saying: "We are those who have pledged allegiance to Muhammad (peace be upon him) for jihad forever, as long as there is life in our bodies." Upon this, the Prophet (peace be upon him) replied: "O Allah! True life is only the life of the Hereafter, so honor the Ansar and the Muhajirun (Emigrants) (in the Hereafter)."