Look at the world around you. It may seem like an immovable, implacable place. It is not. With the slightest push - in just the right place - it can be tipped.

Track is full of the absolute nicest and most polite athletes in all of sports, and where does it get us?

Do you see the consequences of the way we have chosen to think about success? Because we so profoundly personalize success, we miss opportunities to lift others onto the top rung...We are too much in awe of those who succeed and far too dismissive of those who fail. And most of all, we become much too passive. We overlook just how large a role we all play—and by “we” I mean society—in determining who makes it and who doesn’t.

Anyone who has ever scanned the bookshelves of a new girlfriend or boyfriend- or peeked inside his or her medicine cabinet- understands this implicitly; you can learn as much - or more - from one glance at a private space as you can from hours of exposure to a public face.

Visionaries are limited by their visions.

If you look at the careers of great entrepreneurs and you look at the moment they took their plunge, the plunge is rarely a great financial or material risk, it’s a social risk. At the moment they started their new businesses, everyone around them said ‘you’re an idiot’.

Science fiction annoyed me because it was like, "Why is the world as it is not enough for you?"