All is riddle, and the key to a riddle is another riddle.

A beautiful woman is a practical poet.

There are books which take rank in your life with parents and lovers and passionate experiences, so medicinal, so stringent, so revolutionary, so authoritative.

To be great is to be misunderstood. Pythagoras was misunderstood, and Socrates, and Jesus, and Luther, and Copernicus, and Galileo, and Newton, and every pure and wise spirit that ever took flesh.

Knowledge is the antidote to fear.

We are always getting ready to live but never living.

We dare not trust our wit for making our house pleasant for our friend, so we buy ice cream.

The louder he talked on his honor, the faster we counted our spoons.

Take egotism out and you would castrate the benefactors.

Every artist was at first an amateur.