"When once you have tasted flight, you will forever walk the earth with your Eyes Turned Skyward, for there you have been, and there you will always long to return."

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It's a famous line, seen often online and in print. It's almost always in quotation marks, and it's almost always attributed to Leonardo da Vinci. But that is wrong. How could Leonardo (1452 - 1519) taste flight? I've searched for years, but have never found definitive source information for this line. National Geographic Magazine researchers talked to a leading da Vinci expert who said Leonardo never wrote it. But this 'quote' holds a strong appeal to our psyche, as many of us have our eyes, minds and hearts turned upward to space. So it's my title here. A place where astronomers and astronauts, dreamers and doers, share with us their best quotes on space. And the title is a reminder to me to be as accurate as I can.

This is a growing collection of man's first-hand thoughts on the universe around us. Please feel welcome to help by emailing me with additions, corrections or any other thoughts. I hope you enjoy the view.