How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know.
Thomas AquinasMan can sin against nature in two ways. First, when he sins against his specific rational nature, acting contrary to reason. In this sense, we can say that every sin is a sin against man's nature, because it is against man's right reason.
Thomas AquinasEvery judgement of conscience, be it right or wrong, be it about things evil in themselves or morally indifferent, is obligatory, in such wise that he who acts against his conscience always sins.
Thomas AquinasIt is requisite for the relaxation of the mind that we make use, from time to time, of playful deeds and jokes.
Thomas Aquinas