A dry soul is wisest and best.

The content of your character is your choice. Day by day, what you choose, what you think and what you do is who you become.

Learning many things does not teach understanding

The most beautiful ape is ugly when compared to a human. The wisest human will seem like an ape when compared to a god with respect to wisdom, beauty, and everything else.

Men who wish to know about the world must learn about it in its particular details.

No one can step twice into the same river, nor touch mortal substance twice in the same condition. By the speed of its change, it scatters and gathers again.

To do the same thing over and over again is not only boredom: it is to be controlled by rather than to control what you do.