There is nothing permanent except change.
Opposition brings concord. Out of discord comes the fairest harmony.
Man is most nearly himself when he achieves the seriousness of a child at play.
Nothing endures but change.
Much learning does not teach understanding.
You can never step into the same river; for new waters are always flowing on to you.
Our envy always lasts longer than the happiness of those we envy.
All is flux, nothing stays still.
Stupidity is better kept a secret than displayed.
Eyes are more accurate witnesses than ears.
Doctors cut, burn, and torture the sick, and then demand of them an undeserved fee for such services.
Character is destiny.
No man ever steps in the same river twice, for it's not the same river and he's not the same man.
The universal cosmic process was not created by any god or man; it forever was, is, and forever will be, an Ever living Fire.
To do the same thing over and over is not only boredom; it is to be controlled by rather than to control what you do.
If you do not expect the unexpected, you will not find it; for it is hard to be sought out, and difficult.
Nothing is, everything is becoming.
Everything rests by changing.
Big results require big ambitions.
The world is nothing but a great desire to live and a great dissatisfaction with living.
A blow to the head will confuse a man's thinking, a blow to the foot has no such effect, this cannot be the result of an immaterial soul.
Man is on earth as in an egg.
To God all things are beautiful, good, and right; human beings, on the other hand, deem some things right and others wrong. It would not be better if things happened to people just as they wish.
You could not step twice into the same rivers; for other waters are ever flowing on to you.
The nature of things is in the habit of concealing itself.