For the Emperor!

From Ancient Terra the Emperor commands His Proud Sons.
    From revered blood-stock these warriors are made His Proud Sons.
    No fear they know, Adeptus Astartes, His Proud Sons.
    Humanity's foes, they defend against all, His Proud Sons.
    Warrior Elite, Unbreakable spirit, Astartes!
    Supreme Defenders, Unchallenged in battle, Astartes!
    Courage and honour, Emperor and Primarch, Astartes!