“We are told by the word of the Gospel that in this His fold there are two swords—a 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.”
Unam sanctam (1302)
Original
In hac ejusque potestate duos esse gladios, spiritualem videlicet et temporalem, evangelicis dictis instruimur. […] Uterque ergo est in potestate ecclesiae, spiritualis scilicet gladius et materialis. Sed is quidem pro ecclesia, ille vero ab ecclesia exercendus, ille sacerdotis, is manu regum et militum, sed ad nutum et patientiam sacerdotis.
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Pope Boniface VIII 4
193rd Pope of the Catholic Church 1235–1303Related quotes

Address to the Pacific Regional Workshop on Leadership Development, Lami, Fiji, 9 July 2005.

Source: In becoming a priest, you were agreeing to be a martyr https://osvnews.com/2018/08/15/underground-period-marks-ukrainian-church/ (15 August 2018)

The Liberty of Man, Woman and Child (1877)
Context: Nothing has been left undone by the enemies of freedom. Every art and artifice, every cruelty and outrage has been practiced and perpetrated to destroy the rights of man. In this great struggle every crime has been rewarded and every virtue has been punished. Reading, writing, thinking and investigating have all been crimes.
Every science has been an outcast.
All the altars and all the thrones united to arrest the forward march of the human race. The king said that mankind must not work for themselves. The priest said that mankind must not think for themselves. One forged chains for the hands, the other for the soul.

The Mexican-American and the Church (1968)