“I realized up there that our planet is not infinite. It's fragile. That may not be obvious to a lot of folks, and it's tough that people are fighting each other here on Earth instead of trying to get together and live on this planet. We look pretty vulnerable in the darkness of space.”
More from Alan Shepard
“Whether you are an astronomer or a life scientist, geophysicist, or a pilot, you've got to…”
“The rocket worked perfectly except for landing on the wrong planet.”
“Neil’s voice was calm, confident, most of all clear. ‘Houston, Tranquility Base here. The…”
“It didn’t matter who liked whom, or on what side a man might find himself, because they…”