Life in Three Dimensions: How Curiosity, Exploration, and Experience Make a Fuller, Better Life

Life in Three Dimensions by Shigehiro Oishi challenges the idea that a good life is only about happiness or meaning. Oishi adds a third element—psychological richness—which comes from curiosity, variety, and new experiences. While happiness can lead to comfort and meaning can bring purpose, both can also trap us in routine or narrow paths. Psychological richness, on the other hand, pushes us to explore, embrace uncertainty, and grow through challenges. Blending research, stories, and examples, Oishi offers a fresh way to think about living a fuller life with fewer regrets.