I have little shame, no dignity – all in the name of a better cause.

I love to live things, so I wanted to immerse myself and get into the mindset - and sandals - of my forefathers.

I'm still agnostic. But in the words of Elton Richards, I'm now a reverant agnostic. Which isn't an oxymoron, I swear. I now believe that whether or not there's a God, there is such a thing as sacredness. Life is sacred. The Sabbath can be a sacred day. Prayer can be a sacred ritual. There is something transcendent, beyond the everyday. It's possible that humans created this sacredness ourselves, but that doesn't take away from its power or importance.

I tried the paleo diet, which is the caveman diet - lots of meat. I tried the raw food vegan diet. And I tried the calorie restriction diet, which is the idea is that if you eat very, very little - if you're on the verge of starvation, you will live a very long time. Whether or not you want to, of course, is the idea.

My reading list grows exponentially. Every time I read a book, it'll mention three other books I feel I have to read. It's like a particularly relentless series of pop-up ads.

Probably 90 percent of our life decisions are powered by the twin engines of inertia and laziness.

Very few people changed the world by sitting on their couch.