The purpose of science is not to cure us of our sense of mystery and wonder, but to constantly reinvent and reinvigorate it.

An open mind is a prerequisite to an open heart.

Essentially, we humans live well enough and long enough, and are smart enough, to generate all sorts of stressful events purely in our heads.

We live well enough to have the luxury to get ourselves sick with purely social, psychological stress.

How much you groom somebody else is more important than who grooms you.

We all seek out stress. We hate the wrong kinds of stress but when it's the right kind, we love it - we pay good money to be stressed by a scary movie, a roller coaster ride, a challenging puzzle.

The regulation of genes is often more interesting than the genes themselves, and it's the environment that regulates genes.