No man ever steps in the same river twice, for it's not the same river and he's not the same man.

The waking have one world in common; sleepers have each a private world of his own.

People ought to fight to keep their law as to defend the city s walls.

Change is the only constant.

It ever was, and is, and shall be, ever-living fire, in measures being kindled and in measures going out.

This universe, which is the same for all, has not been made by any god or man, but it always has been, is, and will be an ever-living fire, kindling itself by regular measures and going out by regular measures.