Join New York Times columnist David Brooks for an in-depth discussion about what constitutes character as explored in his new book.

Some people seem to possess inner lives that are more substantive than the rest of ours. How do they do it? Depth, argues Brooks, is the core of our being and something we cultivate over time; it’s engraved by thought and action; it’s built through the commitments we make—to a nation, a faith, a calling or loved ones—and the sacrifices we endure because of those commitments.