The state of that man's mind who feels too intense an interest as to future events, must be most deplorable.

True happiness is...to enjoy the present, without anxious dependence upon the future.

Philosophy does not regard pedigree, she received Plato not as a noble, but she made him one.

The ascent from earth to heaven is not easy.

You should keep on learning as long as there is something you do not know.

Just as so many rivers, so many showers of rain from above, so many medicinal springs do not alter the taste of the sea, so the pressure of adversity does not affect the mind of the brave man. For it maintains its balance, and over all that happens it throws its own complexion, because it is more powerful than external circumstances.

A disease is farther on the road to being cured when it breaks forth from concealment and manifests its power.