"It is clear that the male is more noble than the female. For the male is the principle of generation, and the female is the matter."

"The act of generation is more noble than the act of nutrition."

"A slave is an instrument of his master, and is his property."

"Usury is a sin against justice."

"If a man be a fornicator, or an adulterer, or a drunkard, or any such like, he is not thereby cut off from the Church, because such sins do not separate a man from the faith. But heresy does separate …"