Speech and the communication of thought, which, in their mutual relations, are always attended by a slight impulse on the part of the will, are almost a physical necessity. Sometimes, however, the lower animals entertain me much more than the average man. For, in the first place, what can such a man say? It is only conceptions, that is, the driest of ideas, that can be communicated by means of words; and what sort of conceptions has the average man to communicate, if he does not merely tell a story or give a report, neither of which makes conversation?