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

Falsehood is so easy, truth so difficult.

The chief prevention against getting old is to remain astonished.

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

I find the great thing in this world is not so much where we stand, as in what direction we are moving.

All experience is great providing you live through it.

Judge each day not by the harvest you reap but by the seeds you plant.

The ability to learn is the most important quality a leader can have.

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

One shouldn't just hope to be treated well: one must insist on it.

Set wide the window. Let me drink the day.

It isn't just talent. You have to have something else. You have to have a kind of nerve.