Arthur C. Brooks used to run a prominent think tank where he was paid handsomely to influence public policy. Did all that success make him happy? Nope. So Arthur quit his job and set out to transform his life. Now he’s written a book about what he learned along the way, the #1 New York Times bestseller “From Strength to Strength: Finding Success, Happiness, and Deep Purpose in the Second Half of Life.” 💿 Want to listen back to our favorite episodes of 2024? Check out this playlist

We’ve had many bracing thinkers on this show, but Sara Walker might take the cake. A physicist and astrobiologist at Arizona State University, she's just written "Life as No One Knows It: The Physics of Life's Emergence," a thrilling exploration of life's origins and the search for it across the cosmos. 🕐 The second part of this conversation will be available on Thursday. If you can’t wait until then, you can hear it right now on The Next Big Idea app 🎁 Take 20% off a Next Big Idea Club subscription when you use code PODCAST20 at nextbigideaclub.com