How can we know ourselves? Never by reflection, but only through action. Begin at once to do your duty and immediately you will know what is inside you.

He alone deserves liberty and life who daily must win them anew.

The light is there, and colors surround us. However, if there were no light nor colors in our own eye, we wouldn't perceive such things outside of us.

One glance, one word from you gives more pleasure than all the wisdom of this world.

There is nothing in life so irrational, that good sense and chance may not set it to rights; nothing so rational, that folly and chance may not utterly confound it.

With knowledge grows doubt.

One doesn't always lose when one has to do without.