I realized: I'm working for a company that makes people happy. You don't leave that.

The opacity is the difference between profit and loss. If every airline seat that could be sold- were sold at the lowest possible price, the industry would lose billions. If every airline seat that could be sold- were sold at the highest possible price… It would make billions.

Hedge funds don't have that asymmetric risk profile problem because, in general, the interests of the hedge fund managers are aligned with their investors. I think only people who are pandering to perceived public passions are blaming hedge funds for the financial crisis.

I think life matters because it gives meaning to the universe. Without life, the universe is devoid of meaning. We aren't the universe, but we are a vital part of it, we are what gives this universe meaning.

If you look for the next Steve Jobs or Richard Branson in developing economies, however, their businesses rarely make it out of the garage as they are missing three critical factors. They lack financial capital, qualified employees plus the knowledge and access to financial markets.

The stress response is designed for '3 minutes of screaming terror across the Savannah.' If you're not experiencing such an intense moment, it's likely that your stress response isn't calibrated right. At its core, stress is a primal reaction meant for life-threatening situations where our options are to freeze, flee, or fight.

Governments need to use their money to develop the future, not recover the past. We have to take this chance, if we don't, we're really going to be in trouble.

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.

When you love what you do, when you're excited about your field, when you've chosen a path that connects with you personally- you will learn fast, you will accomplish in 5 years what it would take others 15 years to do.

So many of the things our culture pushes us to pursue for happiness don't actually work the way we think they will. Material possessions, more money—if you're on social media, you get this strong sense that you should go after more of everything and then you'll feel better.

There are many in Europe and America who believe that our current troubles arise from excess debt, at both the household and national level. Those focusing on debt at the national level have warned that debt financed spending will in the long run be counterproductive.

Even if we end up with better regulations, we'll still have 300 million guns washing around the US, and that's going to be a huge problem for decades, because guns last a long time.