Our society is the product of several great religious and philosophical traditions. The ideas of the Greeks and Romans, Christianity, Judaism, humanism and the Enlightenment have made us who we are.
I'm picking and choosing in terms of the stress factor. If it's not fun, I'm not going to do it.
I think that when NASA works on a moon shot, they know too well that all of the people working on it must do their job at 110 percent. Sometimes they probably put in 18 hour days, but they're aiming for the moon, and that's what counts.