Quotation

"It's a hypothesis, you see, but the problem with a hypothesis is you don't know it's true until you test it. You can't believe a thing is possible until you do it. Yet until you do it, why even ask if you should? there's no morality about the impossible, Captain. To us, you must understand, this was like climbing Everest, like going to the moon. We couldn't believe such a thing was possible, and that's how we could do it."