Luther receiving a letter written unto him, from the Imperial Assembly, by Philip Melancthon, after the reading of it, he said, What Philip Melancthon writeth hath hands and feet, hath authority and gravity, it is of weight, contained in a few words, as always I have found by his letters. But, I perceive, we must have wars; for the Papists would willingly go on, but they want a good stomach, neither may we endure the case to stand upon these terms. Let it therefore proceed _in nomine Domini_; I will commit all things to God, and will be _Crito_ in the play. I will pray that God would convert our adversaries. We have a good cause on our side. Who would not fight and venture body and blood, _pro Sacris_, for the Holidom, which is God’s Word? And, besides, the temporal laws and statutes of policy do also concur and agree with our proceedings; for we always have desired and called for peace, but our Princes are provoked and drawn to defend themselves and their subjects, and of necessity must resist their power; our adversaries will not suffer us to live in peace. This letter, said Luther, was written ten days since; by this time it is concluded what shall be done. The everlasting merciful God give His grace thereunto! Let us watch and pray, for Satan sleepeth not. _Of Temporal Peace_. Worldly and outward peace is one of the highest gifts of God; but we abuse it too much; every one liveth after his own will and pleasure, against God and the Magistrate. Oh, how soundly will our gentry and farmers, in Germany, pay for this before one hundred and fifty years come to an end, as already they have done in Hungary and in Austria; but afterwards God will restore them again, and beat down Popedom. Let us not cease to pray. _Of Unity and Concord_. Through concord small things and wealth do increase, as the Heathen said; but dissension is dangerous and hurtful, especially in schools, in professions, high arts, and in the professors thereof, wherein the one ought to reach the hand to the other—should kiss and embrace each other. But when we bite and devour one another, then let us take heed lest we be swallowed up together. Therefore let us pray and strive; for the word of faith, and the prayers of the just, are the most powerful weapons; moreover, God himself sendeth his holy angels round about them that fear him. We ought valiantly to fight, for we are under a Lord of Hosts, and a Prince of War; therefore with one hand we must build, and in the other hand take the sword—that is, we must both teach and resist.