Natureby Ralph Waldo Emerson
The Turn of the Screwby Henry James
The World's Religionsby Huston Smith
Human Behavioral Biologyby Robert Sapolsky
Kant's Critique of Pure Reasonby Daniel N. Robinson
New York Times The Daily Podcastby Michael Barbaro
Frontline Audiocast - PBS Podcast
Arnold's Pump Club Podcastby Arnold Schwarzenegger
Nature Podcastby Nature Research
ReThinking Podcastby Adam M. Grant
Awaken the Giant Withinby Anthony Robbins
The American Spiritby David McCullough
Unshakeableby Anthony Robbins
The 5AM Clubby Robin Sharma
The Magic of Thinking Bigby David J. Schwartz, Ph.D.