Happiness depends on being free, and freedom depends on being courageous.

I do not think it worth while to wait for enjoyment until there is some real opportunity for it.

Enthusiasm is the great hill-climber.

Muddy water is best cleared by leaving it alone.

Nothing succeeds like success. Get a little success, and then just get a little more.

Genius, like humanity, rusts for want of use.

It is only after the deepest darkness that the greatest joy can come.

Only the ephemeral is of lasting value.

The difficult is what takes a little time; the impossible is what takes a little longer.

Don’t be afraid to be confused. Try to remain permanently confused. Anything is possible.

Art is made in hindsight.

Life was meant to be lived, and curiosity must be kept alive. One must never, for whatever reason, turn his back on life.