...in this way the structure of the universe- I mean, of the heavens and the earth and the whole world- was arranged by one harmony through the blending of the most opposite principles.

The Eyes are the organs of temptation, and the Ears are the organs of instruction.

A life of wealth and many belongings is only a means to happiness. Honor, power, and success cannot be happiness because they depend on the whims of others, and happiness should be self-contained, complete in itself.

Personal beauty requires that one should be tall; little people may have charm and elegance, but beauty-no.

The activity of happiness must occupy an entire lifetime; for one swallow does not a summer make.

No great mind has ever existed without a touch of madness.

To leave the number of births unrestricted, as is done in most states, inevitably causes poverty among the citizens, and poverty produces crime and faction.