What work I have done I have done because it has been play. If it had been work I shouldn't have done it. . . . The work that is really a man's own work is play and not work at all. . . . When we talk about the great workers of the world we really mean the great players of the world.

Each of you, for himself, by himself and on his own responsibility, must speak.

In America, we hurry-which is well; but when the day's work is done, we go on thinking of losses and gains, we plan for the morrow, we even carry our business cares to bed with us...we burn up our energies with these excitements, and either die early or drop into a lean and mean old age at a time of life which they call a man's prime in Europe...What a robust people, what a nation of thinkers we might be, if we would only lay ourselves on the shelf occasionally and renew our edges!

The institution of royalty in any form is an insult to the human race.

Love is an irreresisistible desire to be irresistibily desired.

When I was fourteen years old, I was amazed at how unintelligent my father was. By the time I turned twenty-one, I was astounded how much he had learned in the last seven years.

The physician who knows only medicine, knows not even medicine.