My entire youth was spent with an incredibly ill parent... I don't think you can grow up that way and not be marked by that experience.

One reason citizens, politicians and university donors sometimes lack confidence in the social sciences is that social scientists too often miss the chance to declare victory and move on to new frontiers.

What constrains or enables the capacity of human beings to work in groups is not so much the technology, but rather the capacity of the human brain to have and monitor social interactions.

It is well to look around at whom, and not just what, surrounds us. Population structure will change everything. Our health, wealth, and peace depend on it.

It's fashionable to speak about vulnerable populations in medicine and public policy, but it's harder to find a more vulnerable population than those who are dying.

It used to be thought that our genes were historically immutable and that it was not possible to imagine a conversation between culture and genetics.

We cannot understand our humanity just by studying individuals.