We do have an organ for understanding and recognizing moral facts. It is called the brain. - Paul Churchland

You and I have a confidence that most people lack ... We think we can continue to be liberals and still move this forward.

The basic idea is that cognitive activities are ultimately just activities of the nervous system; and if one wants to understand the activities of the nervous system, then the best way to gain that understanding is to examine the nervous system itself.

The curiosity of Man, and the cunning of his reason, have revealed much of what Nature held hidden.