Everything changes and nothing stands still.

The best people renounce all for one goal, the eternal fame of mortals; but most people stuff themselves like cattle.

War is the father of all things.

I am what libraries and librarians have made me, with little assistance from a professor of Greek and poets

And some men are as ignorant of what they do when awake as they are forgetful of what they do when asleep.

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.

Everything changes and nothing stands still.