Books about spies and traitors - and the congressional hearings that follow the exposure of traitors - generally assume that false-negative errors are much worse than false-positive errors.

Many people with dyslexia truly suffer, and their lives are worse off for having had that disability.

Once you understand that Goliath is much weaker than you think he is, and David has superior technology, then you say: why do we tell the story the way we do? It becomes, actually, a far more meaningful and important story in its retelling than in the kind of unsophisticated way we've done it for, I think, too long.

We all assume that if you're weak and poor, you're never going to win. In fact, the real world is full of examples where the exact opposite happens, where the weak win and the strong screw up.

I'm a lot more interested in people than I used to be. I used to be most interested in abstract ideas, and people were an afterthought, but that's changed a bit.

A lot of what is most beautiful about the world arises from struggle.