May I do to others as I would that they should do unto me.
Do not train children to learning by force and harshness, but direct them to it by what amuses their minds.
We ought to live sacrificing, and singing, and dancing.
The highest form of pure thought is in mathematics.
Man is a being in search of meaning.
A fit of laughter, which has been indulged to excess, almost always produces a violent reaction.