"The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, and anguished or mocking smoke screen which keeps the other in its true place. When true silence falls we are left with echo but are nearer nakedness. One way of looking at speech is to say that it is a constant stratagem to cover nakedness."

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There are three things that are the motives of choice and three that are the motives of avoidance; namely, the noble, the expedient, and the pleasant, and their opposites, the base, the harmful, and the painful. Now in respect of all these the good man is likely to go right and the bad to go wrong, but especially in respect of pleasure; for pleasure is common to man with the lower animals, and also it is a concomitant of all the objects of choice, since both the noble and the expedient appear to us pleasant.

— Aristotle