Logic is the art of convincing us some truth.
We hope to grow old and we dread old age; that is to say, we love life and we flee from death.
A man's worth is estimated in this world according to his conduct.
The wise person often shuns society for fear of being bored.
We are valued in this world at the rate we desire to be valued.
A person's worth in this world is estimated according to the value he puts on himself.