I have tried 99 times and have failed, but on the 100th time came success.

Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.

Of all the communities available to us, there is not one I would want to devote myself to except for the society of the true seekers, which has very few living members at any one time.

It is only to the individual that a soul is given. And the high destiny of the individual is to serve rather than to rule, or to impose himself in any other way.

Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.

Scientists were rated as great heretics by the church, but they were truly religious men because of their faith in the orderliness of the universe.

Creativity is contagious. Pass it on.