The key to learning is feedback. It is nearly impossible to learn anything without it.

Don't trust, just verify.

And knowing what happens on average is a good place to start. By so doing, we insulate ourselves from the tendency to build our thinking - our daily decisions, our laws, our governance - on exceptions and anomalies rather than on reality

Solving a problem is hard enough; it gets that much harder if you’ve decided beforehand it can’t be done.

Data, I think, is one of the most powerful mechanisms for telling stories. I take a huge pile of data and I try to get it to tell stories.

As W.C. Fields once said: a thing worth having is a thing worth cheating for.

An incentive is a bullet, a key: an often tiny object with astonishing power to change a situation