The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.
The most dangerous thing is not failure, but complacency.
I'm not a prophet, I'm a messenger.
Self-education is, I firmly believe, the only kind of education there is.
Success is not about the money you make, it's about the difference you make in people's lives.
Power is in tearing human minds to pieces and putting them together again in new shapes of your own choosing.
"The most thought-provoking thing in our thought-provoking time is that we are still not thinking."