The longer we dwell on our misfortunes, the greater is their power to harm us.

Health is the soul that animates all the enjoyments of life, which fade and are tasteless without it.

I know that I am intelligent, because I know that I know nothing.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.

Man is the only creature that refuses to be what he is.