Since an intelligence common to us all makes things known to us and formulates them in our minds, honorable actions are ascribed by us to virtue, and dishonorable actions to vice; and only a madman would conclude that these judgments are matters of opinion, and not fixed by nature.
Marcus Tullius CiceroMen decide far more problems by hate, love, lust, rage, sorrow, joy, hope, fear, illusion or some other inward emotion, than by reality, authority, any legal standard, judicial precedent, or statute.
Marcus Tullius CiceroWhat is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.
Marcus Tullius Cicero