It's ok to say I don't know. Realizing this earlier in my career would have put me more at ease.

All organisms rely on exchange. They form symbiotic partnerships in order to obtain the energy that they need to survive. Energy is the currency of nature.

Social standing and reptuation has always mattered, but now it 's happening on a global basis.

The challenge of our generation, whether it's young lawyers, young investment bankers, is to make capitalism work for people not just around the corner, but for people all around the world.

Money is becoming increasingly plastic and digital. If there is a major disaster, let's say an asteroid strike, we'll go back to trading meats and furs. We won't need an abstraction, a dollar bill, but real tangible goods to survive.

Reputation will become an even more important currency in the future.

On a biological level, the brain registers money as something valuable - even a dollar bill which has no intrinsic value, it's just paper.