Morality binds people into groups. It gives us tribalism, it gives us genocide, war, and politics. But it also gives us heroism, altruism, and sainthood.

Trying to run Congress without human relationships is like trying to run a car without motor oil. Should we be surprised when the whole thing freezes up?

Dividing into teams doesn't necessarily mean denigrating others. Studies of groupishness have generally found that groups increase in-group love far more than they increase out-group hostility.

It's a basic fact about being human that sometimes the self seems to just melt away.

Democrats talk about programs like Social Security or Medicare, but it's not clear to most voters what Democrats' core moral values are.

Human thinking depends on metaphor. We understand new and complex things in relation to the things we already know... once you pick a metaphor it will guide your thinking.

I began graduate school in the late 1980s, and my goal was to understand how morality varied across cultures and nations. I did some research comparing moral judgment in India and the U.S.A.