The centre of the universe and only rotates on its axis without going from east to west, is a very dangerous attitude and one calculated not only to arouse all Scholastic philosophers and theologians but also to injure our holy faith by contradicting the Scriptures.

There is no one who is without faults, and who is not in some way a burden to others, whether he is a superior or a subject, an old man or a young one, a scholar or a dunce.

To assert that the earth revolves around the sun is as erroneous to claim that Jesus was not born of a virgin".

Charity is that with which no man is lost, and without which no man is saved.

Freedom of belief is pernicious, it is nothing but the freedom to be wrong.

On the last day, when the general examination takes place, there will be no question at all on the text of Aristotle, the aphorisms of Hippocrates, or the paragraphs of Justinian. Charity will be the whole syllabus.

Flee idleness... for no one is more exposed to such temptations than he who has nothing to do.