I don't know if you ever really feel like you've made it.

Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.

You wouldn't believe the kind of hate mail I get about my work on irregular verbs.

Those who occupy their minds with small matters, generally become incapable of greatness.

Any man who wants to be president is either an egomaniac or crazy.