Douglas Adams: Parrots, the Universe, and Everythingby Douglas Adams
Carl Sagan: Christmas Lectures on The Planetsby Carl Sagan
The Republicby Plato
I've Been to the Mountaintopby Martin Luther King, Jr.
Healing and the Mind: Healing from Withinby Bill Moyers
The Tim Ferriss Show Podcastby Tim Ferriss
Nature Podcastby Nature Research
Arnold's Pump Club Podcastby Arnold Schwarzenegger
The Library of Congress: Music and the Brain Podcastby Kay Redfield Jamison
The Knowledge Project Podcastby Shane Parrish
Basic Human Anatomyby John K. Young
Secrets of the Millionaire Mindby T. Harv Eker
Talking to Strangersby Malcolm Gladwell
Dare to Leadby Brene Brown
The Battlefield of the Mindby Joyce Meyer