Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق · The Book of al-Bay'ah

"We pledged to the Messenger of Allah to hear and obey during our hardship and our ease, when we felt energetic and when we felt tired, that we would not contend with the orders of whomever was entrusted with it, that we would stand for justice wherever we may be, and that we would not fear the blame of any blamer for the sake of Allah.

"The Messenger of Allah said on the Day of the Conquest (of Makkah): "There is no more emigration (Hijrah), rather there is Jihad and intention. When you are called to moblize (for Jihad) then do so."'

the Messenger of Allah sent an army and appointed a man in charge of them. He lit a fire and said: "Enter it." Some people wanted to enter it, and other said: "We are trying to keep away from it." They mentioned that to the Messenger of Allah, and he said to those who had wanted to enter if: "If you had entered it you would have stayed there until the Day of Resurrection." And he spoke good words to…