Tami Simon speaks with Matthieu Ricard, an author and photographer who earned a PhD in cell genetics. He is also a Buddhist monk who has served as the Dalai Lama’s French interpreter since 1989. Matthieu has written several books, including The Monk and the Philosopher, The Quantum and the Lotus, as well as The Art of Meditation. With Sounds True, he has released an audio learning program based on his book Happiness. Matthieu speaks about the skill of happiness, as well as the conditions for happiness. He also discusses the physical and psychological effects of meditation, along with the ways to track the progress you make in your spiritual practice. (37 minutes)