The miser puts his gold pieces into a coffer; but as soon as the coffer is closed, it is as if it were empty.

Envying another man's happiness is madness; you wouldn't know what to do with it if you had it.

The most beaten paths are certainly the surest, but do not hope to start much game on them.

One completely overcomes only what one assimilates.

One doesn't discover new lands without consenting to lose sight, for a very long time, of the shore.

Know thyself. A maxim as pernicious as it is ugly. Whoever studies himself arrest his own development. A caterpillar who seeks to know himself would never become a butterfly.

I have no use for knowledge that has not been preceded by a sensation