He that knows not what the world is, knows not where he is himself. He that knows not for what he was made, knows not what he is nor what the world is.
The nature of the universe is the nature of things that are. Now, things that are have kinship with things that are from the beginning. Further, this nature is styled Truth; and it is the first cause of all that is true.
All things are the same,familiar in enterprise, momentary in endurance, coarse in substance. All things now are as they were in the day of those whom we have buried.
The happiness and unhappiness of the rational, social animal depends not on what he feels but on what he does; just as his virtue and vice consist not in feeling but in doing.