I've Been to the Mountaintopby Martin Luther King, Jr.
The Historical Philosophy of W.E.B. Du Boisby Cornel West
The Feynman Lectures on Physicsby Richard P. Feynman
The Bhagavad Gitaby Mohandas Gandhi
The Call of the Wildby Jack London
NASA's Curious Universe Podcastby Padi Boyd
Frontline Audiocast - PBS Podcast
Intelligence Squared U.S. Podcast
The Daily Motivation Podcastby Lewis Howes
Hidden Brain Podcastby Shankar Vedantam
Courage Is Callingby Ryan Holiday
Astrophysics for People in a Hurryby Neil deGrasse Tyson
Educated: A Memoirby Tara Westover
Breath: The New Science of a Lost Artby James Nestor
Smarter Faster Betterby Charles Duhigg