If you look at wall street traders, Fortune 500 CEO's and other populations that have been through intense selection processes you'll find very homogeneous populations.
If you look at entrepreneurs, you'll find confident people, anxious people, short people, tall people, thin people, fat people -- all kinds of people. That's because entrepreneurs select themselves rather than being selected by a bunch of people who want to select other people like themselves.
He shared that he's a born-again Christian and he's thought about faith is important in what he does, since you've never got any guarantee that a research project is going to be successful.
I'm a pagan, so I like the Japanese word "Haruhi" which means "full of spirit." (It's been popularized in the U.S. by a post-modern recent anime which I can't decide if I like or not.) But it's an important thing. For the idea I'm working on, I find that being "Haruhi" makes me invincible... I used to be a terribly anxious person but I believe in what I'm doing so much that nothing bothers me.
Quite funny, my business plan from the very beginning assumed that the system I was building would soon become more than the sum of it's parts, but I was quite amazed to see it happen... For me it's a miracle.