There is no disinfectant like success.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Some are born great, some achieve greatness, and some hire public relations officers.

The traveler was active; he went strenuously in search of people, of adventure, of experience. The tourist is passive; he expects interesting things to happen to him. He goes 'sight-seeing.'

Human models are more vivid and more persuasive than explicit moral commands.

The courage to imagine the otherwise is our greatest resource, adding color and suspense to all our life.

Freedom means the opportunity to be what we never thought we would be.

I write to discover what I think.

Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

Technology is so much fun but we can drown in our technology. The fog of information can drive out knowledge.

We suffer primarily not from our vices or our weaknesses, but from our illusions. We are haunted, not by reality, but by those images we have put in their place.

The impossibility of arriving at Truth by giving up your own authority and following the lights of others. Such a path will only lead to an opinion.

You can't have the rainbow without the storm.

It is better to have a lion at the head of an army of sheep than a sheep at the head of an army of lions.

Moderation is the inseparable companion of wisdom, but with it genius has not even a nodding acquaintance.

Writing so that I can act became a way of having not more control over my future but not having to wait for permission. You can choose yourself. Hmm, who should play this part? I nominate me!

You cannot get one nickel for commercial flying.

Boys ignored me. I never thought I was gorgeous.

If you have managers reporting to managers in a startup, you will fail. Once you get beyond startup, if you have managers reporting to managers, you will create politics.

Jupiter has no leisure to attend to little things.

Life is a challenge, meet it! Life is a dream, realize it! Life is a game, play it! Life is love, enjoy it!