Anyone who has never made a mistake has never tried anything new. (Albert Einstein).
The only way to discover the limits of the possible is to go beyond them into the impossible. (Austin C. Clarke)
Many of life's failures are people who did not realize how close they were to success when they gave up. (Thomas Alva Edison).
The higher we soar, the smaller we appear to those who cannot fly. (Friedrich Wilhelm Nietzsche).
We shall not cease from exploration and the end of our exploring will be to arrive where we started and know the place for the first time. (T.S. Elliot, Four Quarters)
It is what you do that will either move our civilization forward a few tiny steps or else begin to march us steadily backwards. (Patrick Stewart, a.k.a. "Jean Luc Picard").
Leaders are people who do the right things; managers are people who do things right. - Warren Bennis, American business consultant, quoted by Robert Sibley, "The Lost Art of Leadership", Ottawa Citizen, 26 May 1997.
"Thank God men cannot as yet fly and lay waste the sky as well as the earth!" Henry David Thoreau
"Elijah was reputed to be the patron saint of aviators, but as he went to Heaven in a chariot of fire, this was something we weren't too keen about." Kiffin Rockwell
"Flying alone! Nothing gives such a sense of mastery over mechanism, mastery indeed over space, time, and life itself, as this."
Cecil Lewis
"We were once told that the aeroplane had 'abolished frontiers.' Actually it is only since the aeroplane became a serious weapon that frontiers have become definitely impassable." George Orwell
Engines of war have long since reached their limits, and I see no further hope of any improvement in the art. - Frontinus (whoever he was), 90 AD