If our lives are endangered by plots or violence or armed robbers or enemies, any and every method of protecting ourselves is morally right.
Marcus Tullius CiceroWe cannot employ the mind to advantage when we are filled with excessive food and drink.
Marcus Tullius CiceroCivilized 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 Cicero