Jon Krakauer

When I was 23, I climbed this mountain in Alaska called Devil's Thumb alone. It was incredibly dangerous, and I did it because I thought that if I did something that hard and pulled it off, my life was gonna be transformed. And of course, nothing happened. But I get the search for purpose.

There are clearly many good politicians who are guided by religious belief, so the mix can work. But there's a line to be drawn. It would be hugely dangerous for a country's laws to be set by the scriptures, and particularly those of the expansionist religions.