"The possession of a concubine is not unlawful, if due regard be had to the conditions which make it lawful."

"The inferiority of women lies not just in bodily strength but in force of intellect."

"The greater the good that is contemned, the greater the sin. But the good of the species is greater than the good of the individual. Therefore, the sin against nature, which is against the good of the…"

"The natural law is nothing else than the rational creature's participation in the eternal law."

"The principal act of prudence is counsel."