In the same way that kids would benefit from healthy, happy parents- startups would benefit from healthy, happy founders.

There is a naïve form which doesn't recognise the bubble, and thinks that real-estate will go up forever. There is then a second order overconfidence where someone recognises a bubble but feels they will escape it when other people don't.

My colleague Jerry Joyce once chaired a NASA committee that defined life in a practical sense, as a self-sustaining chemical system with the potential for Darwinian evolution (the hallmark of biology). That's a perfectly adequate operational definition that is appropriate for research into the origins of life. Obviously it has nothing to do with consciousness, or even the experience of being alive.

Are you the guy who wants to know what he gets at the end of the month? Or are you the guy who says I'll take my chances and will do very well or very badly. If you can make that distinction in your own mind, the rest is up to you. That's where entrepreneurship comes from; it means you can live with risk.

People are unable to keep secrets for long – somebody tells somebody who tells somebody else, before you know it they are writing a tell-all book or going out on TV shows to talk about it! That's how it happens, that is how things are exposed.