David Ludwig has both an M.D. and a Ph.D. and is a professor and researcher at both Harvard Medical School and Harvard School of Public Health. He’s overseen dozens of diet studies, authored over 100 peer-reviewed scientific articles, and supported thousands of patients looking to optimize their weight. In this book, we learn how to conquer cravings, retrain fat cells, and lose weight permanently.

What's the #1 rule of confidence? "The *actions* of confidence come first; the *feelings* of confidence come later."

Did you know the word "character" comes from the Greek word for "chisel"? Yep. Just as you chisel away at a marble statue to create a work of art, we need to chisel away at everything that gets in the way of making our lives a work of art.

Michael Phelps tells us there’s a big difference between “Can’t” and “Won’t.” His coach, Bob Bowman, told him, “‘Can’t’–that’s a tough word.” Let’s preserve our power and quit throwing around “can’t” when we really mean “won’t”!

The Spartan Race tagline is "You'll know at the finish line." But getting to the STARTING line is way more important.

This is a *super* popular book in the Paleo movement that, as the sub-title suggests, introduces us to the Whole30 and can change your life in unexpected ways. Dallas Hartwig and Melissa Hartwig created the Whole30 that has inspired tens of thousands of people to follow their plan and change their life. I’m one of those people. I talk more about how my life changed as a result in the Note. Big Ideas we explore include +1 or -1 bite by bite, the experiment of ONE, the four tests of Good Food, are grains necessary? and your personal health equation.

Joe De Sena is the founder of the Spartan Race. He’s also, as Angela Duckworth, author of Grit, tells us: “a paragon of grit” who “shows you how you’re capable of so much more than you think.” A paragon of grit. That’s the perfect description. After inspiring us with stories of real-life heroes and ancient Spartan lore, De Sena walks us through the seven pillars of Spartan training + a 30-day plan to get Spartan Fit. Big Ideas we explore include getting to the starting line, developing obstacle immunity, making thousands of small decisions and your gritty oath.

Want to know what happens when we industrialized our food. Here are 5 key things to keep in mind.

Michael Pollan is one of the world’s leading thinkers on nutrition. Time magazine voted him one of the 100 most influential people in the world. He’s also a Professor of Journalism at UC Berkeley. One of the things I most love about him and his work is that, as a journalist, he takes a much wider, more objective view of the nutritional landscape—which can often be dominated by (and muddled by) individuals with *very* strong, dogmatic, inflexible ideologies. Big Ideas we explore: Nutritionism (vs. food), the big experiment (that failed), the Aborigine in all of us, the 5 fundamental transformations of industrializing food and Lucky Charms, Cocoa Puff and Trix cereals as health foods as per the American Heart Association. (<— Can you believe that? Crazy. And true.)

There's REAL work and then there's pseudo-work. It's all about intensity. Remember: Work = Time x Intensity.