War is the father of all things.
The world is nothing but a great desire to live and a great dissatisfaction with living.
Men who love wisdom should acquaint themselves with a great many particulars.
All entities move and nothing remains still.
It is by disease that health is pleasant; by evil that good is pleasant; by hunger, satiety; by weariness, rest.
The river where you set your foot just now is gone-those waters give way to this, now this.