Role models who push us to exceed our limits, physical training that removes our spare tires, and risks that expand our sphere of comfortable action are all examples of eustress—stress that is healthful and the stimulus for growth.

I'm not averse to making a lot of money. But where does that end? I hang out with people with hundreds of millions of dollars. Is that the standard by which I should measure myself? Where does that take you if you're in my business? I think it takes you to pretty dark, corrupt places.

There are a lot of things that can be learned from the darker corners of athletics. You have doctors who view bodybuilders as cavalier amateurs of science. And then you have the bodybuilders who view the doctors as too conservative to do anything interesting. So I've tried to become the middleman for putting some of those pieces together.

Online I see people committing 'social media suicide' all the time by one of two ways. Firstly by responding to all criticism, meaning you're never going to find time to complete important milestones of your own, and by responding to things that don't warrant a response. This lends more credibility by driving traffic.

Don’t follow a model that doesn't work. If the recipe sucks, it doesn't matter how good a cook you are.

The bottom line is that you only have the rights you fight for.

A person's success in life can usually be measured by the number of uncomfortable conversations he or she is willing to have.