The sense of possibility so necessary for success comes not just from inside us or from our parents. It comes from our time: from the particular opportunities that our place in history presents us with.

I'm convinced that ideas and behaviors and new products move through a population very much like a disease does.

What a gifted child is, in many ways, is a gifted learner. And what a gifted adult is, is a gifted doer. And those are quite separate domains of achievement.

Sometimes the most modest changes can bring about enormous effects.

Humans socialize in the largest groups of all primates because we are the only animals with brains large enough to handle the complexities of that social arrangement.

You may hate Hillary Clinton and you may have good reason for hating Hillary Clinton, but Hillary Clinton is one person who even if she's elected will be gone one day and you still have the task of keeping American democracy going.

Without the New York Times, there is no blog community. They'd have nothing to blog about.