You need to be in the position where it is the cost of the fuel that actually matters and not the cost of building the rocket in the first place.

Failure is an option here. If things are not failing, you are not innovating enough.

When something is important enough, you do it even if the odds are not in your favor.

People should pursue what they're passionate about. That will make them happier than pretty much anything else.

I think it is possible for ordinary people to choose to be extraordinary.

I'm extremely confident that solar will be at least a plurality of power, and most likely a majority... in less than 20 years.

Constantly seek criticism. A well thought out critique of what you're doing is as valuable as gold

Optimism, pessimism, f**k that; we're going to make it happen. As God is my bloody witness, I'm hell-bent on making it work.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

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

My mentality is that of a samurai. I would rather commit seppuku than fail.

You know how it is when you're reading a book and falling asleep, you're reading, reading... and all of a sudden you notice your eyes are closed? I'm like that all the time.

Sin is a fundamental failure to rejoice in what we should rejoice in.

The ocean filled the footprints where a boy and cat had stood.

I'm not a slave driver or a yeller. I was yelled at in kitchens and other workplaces.

It is always the adventurous who accomplish great things.

I'm a very research-, homework-oriented person.

The number one cause of unfulfilled potential is never deciding that NOW matters more than any other time in your life.

A man who loves you the most is the man who tells you the most truth about yourself.

We have enough to do just trying to make our company what we want it to be. As far as whether I would like to own Marvel, sure, I'd like to own Marvel.

The media claimed to be non-partisan, centrist. It's not been that way for a lot of history.