There is nothing strange in the circle being the origin of any and every marvel.

Happiness involves engagement in activities that promote one's highest potentials.

He who cannot see the truth for himself, nor, hearing it from others, store it away in his mind, that man is utterly worthless.

As the pleasures of the body are the ones which we most often meet with, and as all men are capable of these, these have usurped the family title; and some men think these are the only pleasures that exist, because they are the only ones which they know.

A whole is that which has a beginning, a middle and an end.

In revolutions the occasions may be trifling but great interest are at stake.

The principle aim of gymnastics is the education of all youth and not simply that minority of people highly favored by nature.