To hold, therefore, that there is no difference in matters of religion between forms that are unlike each other, and even contrary to each other, mos… - Leo XIII

There are several organized bodies which, though differing in name, in ceremonial, in form and origin, are nevertheless so bound together by community of purpose and by the similarity of their main opinions, as to make in fact one thing with the sect of the Freemasons, which is a kind of center whence they all go forth, and whither they all return. Now, these no longer show a desire to remain concealed; for they hold their meetings in the daylight and before the public eye, and publish their own newspaper organs; and yet, when thoroughly understood, they are found still to retain the nature and the habits of secret societies. (...) With a fraudulent external appearance, and with a style of simulation which is always the same, the Freemasons, like the Manichees of old, strive, as far as possible, to conceal themselves, and to admit no witnesses but their own members. As a convenient manner of concealment, they assume the character of literary men and scholars associated for purposes of learning. They speak of their zeal for a more cultured refinement, and of their love for the poor; and they declare their one wish to be the amelioration of the condition of the masses, and to share with the largest possible number all the benefits of civil life. Were these purposes aimed at in real truth, they are by no means the whole of their object.

The masonic sect produces fruits that are pernicious and of the bitterest savour. Their ultimate purpose forces itself into view - namely, the utter overthrow of that whole religious and political order of the world which the Christian teaching has produced, and the substitution of a new state of things in accordance with their ideas.

Arise then, O invincible Prince, bring help against the attacks of the lost spirits to the people of God, and give them the victory. They venerate thee as their protector and Patron; in thee holy Church glories as her defense against the malicious power of hell; to thee has God entrusted the souls of men to be established in heavenly beatitude. Oh, pray to the God of peace that He may put Satan under our feet, so far conquered that he may no longer be able to hold men in captivity and harm the Church. Offer our prayers in the sight of the Most High, so that they may quickly conciliate the mercies of the Lord; and beating down the dragon, the ancient serpent, who is the devil and Satan, do thou again make him captive in the abyss, that he may no longer seduce the nations.