All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.
AristotleAll food must be capable of being digested, and that what produces digestion is warmth; that is why everything that has soul in it possesses warmth.
AristotleSo we must lay it down that the association which is a state exists not for the purpose of living together but for the sake of noble actions.
Aristotle