15-50% of the thoughts in your head during the day are about what you're going to eat next. What if there weren't any of those? What would you do with 15-50% more capacity for thinking. That's why fasting is important. If you want to show up in the world as yourself, stop thinking so much about food.

Fasting is like a Swiss Army Knife—an incredibly impactful tool that has far more use than just weight loss. Through fasting, you realize self-control, and self-control leads to you making better decisions about the air you breathe, the food you eat, and the content you consume.

There are three things we know of that suppress mTOR... One of them is fasting, one of them is coffee, and one of them is exercise.

The best type of intermittent fasting is the one you're going to do—they all work.

You're an author too—you know that your hourly rate for writing books is a terrible deal. You write a book because you have to write the book or because you have something that you think is worth thousands of hours of your time and worth your readers' time ... I think I could make coffee as a barista in one of my coffee shops and probably equal the hourly rate.