The best way to fight the terrorists is to have the freest country on earth. You should be able to get on an airplane, and people - that will not possibly happen again.
Penn JilletteExploration of space is worth it because humans need to explore. Knowledge is always good, and it's a really cool thing to see.
Penn JilletteMy hair is way, way long. I've hitchhiked across the country a zillion times. I've ridden in every car. I was never a hippie. It takes more than long hair.
Penn Jillette