“When I was in college, I wanted to be involved in things that would change the world.”

If something’s important enough, you should try. Even if you – the probable outcome is failure.

Being an entrepreneur is like eating glass and staring into the abyss of death.

Fear is a hard thing to deal with. I feel it quite strongly. If I think something is important enough, I’ll make myself do it in spite of fear. But it can really sap the will. I hate fear, I wish I had it less.

For me it was never about money, but solving problems for the future of humanity.

Mars is the only place in the solar system where it’s possible for life to become multi-planetarian.

People work better when they know what the goal is and why. It is important that people look forward to coming to work in the morning and enjoy working.

Goal of government should be to maximize the happiness of the people. Giving each person money allows them to decide what meets their needs, rather than the blunt tool of legislation, which creates self-serving special interests.

Work like hell.

Only the heart senses beauty.

Starting and growing a business is as much about the innovation, drive and determination of the people who do it as it is about the product they sell.

Self-driving cars are the natural extension of active safety and obviously something we should do.

When people really understand it’s do or die . If we work hard and pull through, it’s going to be a great outcome; people will give it everything they’ve got.

Math jokes have a small audience.

Patience is a virtue, and I’m learning patience. It’s a tough lesson.

I wouldn’t say I have a lack of fear. In fact, I’d like my fear emotion to be less because it’s very distracting and fries my nervous system.

No I don’t ever give up. I would have to be dead or completely incapacitated.

To have been always what I am – and so changed from what I was.

The sun-kissed ones, they leave a sweetness with you that changes the air you breathe forever.

O soul, be changed into little waterdrops, / And fall into the ocean, ne’er be found!

Those who do not have power over the story that dominates their lives, power to retell it, to rethink it, deconstruct it, joke about it, and change it as times change, truly are powerless, because they cannot think new thoughts.

If you actually want to change your world, there is a better way of doing it than blowing yourself up.

No matter how cynical you become, it’s never enough to keep up.

I have dreamed in my life, dreams that have stayed with me ever after, and changed my ideas; they have gone through and through me, like wine through water, and altered the color of my mind.

I can buy anything I want now. It hasn’t changed me personally. It just changed what I can do for myself and my family.