We are told by the word of the Gospel that in this His fold there are two swordsa spiritual, namely, and a temporal. [] Both swords, the spiritual and the material, therefore, are in the power of the Church; the one, indeed, to be wielded for the Church, the other by the Church; the one by the hand of the priest, the other by the hand of kings and knights, but at the will and sufferance of the priest.

Pope Boniface VIII
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