Tyler Cowen

The way to make the world a better place, through your eating, is simply to eat a bit less meat. Local is sometimes good, sometimes bad. But even when it's good, its environmental impact is relatively small compared to other possible improvements.

I think that there's something extremely beautiful about the Olympic ideal and its motto - 'Swifter, higher, stronger' - it's such a beautiful motto, and it celebrates everything which is the antithesis of death and dissolution and entropy.

The closer I get to retirement, the more I feel it will be a huge change, a shock, because athletics has been the core of my whole life. I know I'll miss the feeling of running fast, the adrenaline rush, and hearing the crowd cheering me on.