If our moral attitudes are entirely the result of nonrational factors, such as gut feelings and the absorption of cultural norms, they should either be stable or randomly drift over time, like skirt lengths or the widths of ties. They shouldn't show systematic change over human history. But they do.

Some scholars argue that although the brain might contain neural subsystems, or modules, specialized for tasks like recognizing faces and understanding language, it also contains a part that constitutes a person, a self: the chief executive of all the subsystems.

Most of us know nothing about constitutional law, so it's hardly surprising that we take sides in the Obamacare debate the way we root for the Red Sox or the Yankees. Loyalty to the team is what matters.

Paul Bloom Quotes