Actively seek out and listen carefully to negative feedback.

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.

An imagined evil can be worse than the real thing.

Problem is, though, sooner or later, physical pain, it's... it's manageable. See, real pain is emotional pain. That is the kind of pain that lasts.

For the first time in his life, a teacher was pointing out things that Ender had not already seen for himself. For the first time, Ender had found a living mind he could admire.

I’ve often been criticised, but never critically wounded

Technology is a gift of God. After the gift of life it is perhaps the greatest of God's gifts. It is the mother of civilizations, of arts and of sciences.

We can speak our honest minds without compromise and without censorship and to each other and to our people. We can take our message directly to our people.

All things in God are spontaneous.

The winner is one who knows when to drop out in order to get in touch.

Where belief is painful we are slow to believe.

In the practice of Yoga one can emphasize the body, the mind or the self and hence the effort can never be fruitless.