If people like Edison had waited to make every - or Ben Franklin or some of those people had waited to solve every problem on Earth before they did their research or before they were curious about doing something new, we'd never have made a lot of the progress we have.

The conquest of space is not merely a technological project of interest to a handful of select scientists and specialists, valuable though that research and information may be.

Quite often, while I'm getting up in the morning, I think my warranty is running out on these body parts because it's not working quite the way it used to.

John Glenn Quotes