The face is not a secondary billboard for our internal feelings. It is an equal partner in the emotional process.

if we can control the environment in which rapid cognition takes place, then we can control rapid cognition

The Law of the Few... says that one critical factor in epidemics is the nature of the messenger.

There are some people, who I'll charitably call snobs, who are dismissive of any conversation that doesn't begin with the full level of complexity. That's just not how the world works.

We cling to the idea that success is a simple function of individual merit and that the world in which we all grow up and the rules we choose to write as a society don't matter at all.

I know it sounds hard to believe, but habits laid down by our ancestors persist even after the conditions that created those habits have gone away.

That is the paradox of the epidemic: that in order to create one contagious movement, you often have to create many small movements first.