Shakespeare's plays often turn on the idea of fate, as much drama does. What makes them so tragic is the gap between what his characters might like to accomplish and what fate provides them.

We want to get 80%-85% of predictions right, not 100%. Or else we calibrated our estimates in the wrong way.

It's a little strange to become a kind of symbol of a whole type of analysis.

Whenever you have dynamic interactions between 300 million people and the American economy acting in really complex ways, that introduces a degree of almost chaos theory to the system, in a literal sense.

Every day, three times per second, we produce the equivalent of the amount of data that the Library of Congress has in it's entire print collection, right? But most of it is like cat videos on YouTube or thirteen-year-olds exchanging text messages about the next 'Twilight' movie.

There's always the risk that there are unknown unknowns.

Caesar recognized the omens, but he didn't believe they applied to him.