Let him that would move the world first move himself.

If all our misfortunes were laid in one common heap, whence everyone must take an equal portion, most people would be content to take their own and depart.

Remember that there is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in adversity.

An unexamined life is not worth living.

Either you think -- or else others have to think for you and take power from you, pervert and discipline your natural tastes, civilize and sterilize you.

In this age, which believes that there is a short cut to everything, the greatest lesson to be learned is that the most difficult way is, in the long run, the easiest. - The Books in My Life.