Civilized people are taught by logic, barbarians, by necessity, communities by tradition; and the lesson inculcated even in wild beasts by nature itself. They learn that they have to defend their own bodies and persons lives from violence of any and every kind by all means within their power.
Marcus Tullius CiceroIt is difficult to persuade mankind that the love of virtue is the love of themselves.
Marcus Tullius CiceroTake from a man his reputation for probity, and the more shrewd and clever he is, the more hated and mistrusted he becomes.
Marcus Tullius Cicero