Flight Quote by Henry Wadsworth Longfellow
“The heights by great men reached and kept were not attained by sudden flight, but they, while their companions slept, were toiling upward in the night.”
“The heights by great men reached and kept were not attained by sudden flight, but they, while their companions slept, were toiling upward in the night.”
![“I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.” quote by Richard Branson](https://sms4smile.com/quotes/img-quotes/aa1/richard-branson-256_adventure_i-ve-used-the-phoenix-centrifuge-to-repl_903.jpg)
