Letters from a Stoicby Seneca
The Republicby Plato
Biodiversity and the Meaning of Human Existenceby Edward O. Wilson
Waldenby Henry David Thoreau
Meditationsby Marcus Aurelius
Talks at Google Podcast
After Words - C-SPAN Podcast
Freakonomics Radio Podcastby Stephen J. Dubner
The Age of Napoleon Podcast
Inquiring Minds Podcastby Indre Viskontas
Courage Is Callingby Ryan Holiday
The Universe Has Your Backby Gabrielle Bernstein
The 5AM Clubby Robin Sharma
You Can, You Willby Joel Osteen
Factfulnessby Hans Rosling