As Aristotle said, 'Excellence is a habit.' I would say furthermore that excellence is made constant through the feeling that comes right after one has completed a work which he himself finds undeniably awe-inspiring. He only wants to relax until he's ready to renew such a feeling all over again because to him, all else has become absolutely trivial.

Find a purpose to serve, not a lifestyle to live.

To be heroic is to be courageous enough to die for something.

The biggest challenge after success is shutting up about it.

...There are also those who inadvertently grant power to another man's words by continuously trying to spite him. If a man gets to the point where he can simply say, 'The sky is blue,' and people indignantly rush up trying to refute him saying, 'No, the sky is light blue,' then, whether they realize it or not, he has become an authority figure even to such adversaries.

Tension, in the long run, is a more dangerous force than any feud known to man.

Telling an introvert to go to a party is like telling a saint to go to Hell.