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.
Realize that war is common and justice is strife, and that all things come into being and pass away through strife.
When men dream, each has his own world. When they are awake, they have a common world.
All things come into being by conflict of opposites.
All things are in a state of flux.
All entities move and nothing remains still.