Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

The choices we make lead up to actual experiences. It is one thing to decide to climb a mountain. It is quite another to be on top of it.

The classical theory of omniscient rationality is strikingly simple and beautiful.

One finds limits by pushing them.

A wealth of information creates a poverty of attention.

In the computer field, the moment of truth is a running program; all else is prophecy.

Everybody's serious but me.

Not sure which is harder on a relationship: sharing a dresser for three years or sharing an iPhone charger for one day.

At the end of the day, let there be no excuses, no explanations, no regrets.

Everyone here has the sense that right now is one of those moments when we are influencing the future.

Women don't take enough risks. Men are just 'foot on the gas pedal.' We're not going to close the achievement gap until we close the ambition gap.

We freeze up because we expect a certain result or because we want things to be perfect.

So much of life is a negotiation - so even if you're not in business, you have opportunities to practice all around you.

I think that I shall never see a billboard lovely as a tree. Perhaps, unless the billboards fall, I'll never see a tree at all.

It's a terrible thing, isn't it, the way we throw people away?