The desire of the ear to hear clearly shows itself when one is unable to listen owing to a disturbing noise. Then the passion of hearing is not satisfied and man becomes confused; he will beg others to keep quiet a moment, or if weak he will lose his temper if he is not allowed to listen to what he wishes to hear at the moment. When one smells a thing there comes a desire to smell it until one knows what it is, until one can fully understand and appreciate the smell. And so also with taste; the taste of a delicious dish tempts man at once to taste more, to enjoy it fully.