"The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom" by Jonathan Haidt is a book that explores the intersection of psychology and philosophy. In it, Haidt examines various ancient philosophical and religious teachings about happiness and applies them to modern scientific findings about human psychology.
Haidt argues that happiness can be found by balancing the two parts of our mind: the "elephant" (emotions, instincts, and intuitions) and the "rider" (reason and self-control). He also discusses the importance of meaning, social connection, and positive emotion in leading a happy life.
Haidt also explores various ancient wisdom traditions, including Stoicism, Buddhism, and Confucianism, and argues that they offer valuable insights into human nature and the pursuit of happiness. He also critiques some popular ideas in contemporary psychology and self-help, and offers a balanced perspective on how to live a happy and fulfilling life.
Overall, The Happiness Hypothesis provides a fascinating and thought-provoking examination of happiness and the human mind.