If we have optimism without empathy then it doesn't matter how much we master the secrets of science. We're not really solving problems, we're just working on puzzles.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

The mainstream is always under attack.

You've got to be willing to read other people's code, then write your own, then have other people review your code.

We are always saying to ourself.. we have to innovate. We got to come up with that breakthrough... we're only paid for breakthroughs.

Computers and games don't waste time - people do.

The power of capitalism to mediate the gap between rich and poor is pretty incredible. Indeed, I think, year by year, the gap gets less.