My research addresses questions at the intersection of ethics and cognitive science, in an effort to understand the development, breakdown, and improvement of moral knowledge and virtue. Against a rising pessimism, I’ve argued that moral thought and action are ultimately rational, not merely emotional, enterprises that aren’t fundamentally flawed. (My views are thus largely “rationalist” and “non-skeptical.”) Nevertheless, there is room for improvement, and I’m increasingly interested in social change—that is, how we can become more virtuous and better equipped to tackle the colossal societal challenges of the 21st century (including factory …

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