"If birds can glide for long periods of time, then why can't we?"

"The machine itself was nothing; the method was everything."

"It was the first time in the history of the world that a machine carrying a man had raised itself by its own power into the air in full flight, had sailed forward without reduction of speed, and had f…"

"We have had considerable difficulty in getting the engine to work properly."

"I confess that, in 1901, I said to my brother Orville that men would not fly for 50 years. Two years later, we were making flights. This demonstration of my inability as a prophet gave me such a shock…"