Natureby Ralph Waldo Emerson
The Words of Christ
The Other Americaby Martin Luther King, Jr.
The Science of Well-Beingby Laurie Santos
The Turn of the Screwby Henry James
Hidden Brain Podcastby Shankar Vedantam
Freakonomics Radio Podcastby Stephen J. Dubner
CBC's The Best of Ideas Podcast
The Tony Robbins Podcastby Anthony Robbins
Happier with Gretchen Rubin Podcastby Gretchen Rubin
Rising Strongby Brene Brown
The Power of Positive Thinkingby Norman Vincent Peale
Think Againby Adam M. Grant
Smarter Faster Betterby Charles Duhigg
Tools of Titansby Tim Ferriss