"I think it will be a long time yet before anyone will be flying at any great height or speed."

"Often, after an hour or so of heated argument, we would discover that we were as far from agreement as when we started, but that each had changed to the other's original position."

"The desire to fly is an idea handed down to us by our ancestors who, in their grueling travels across trackless lands in prehistoric times, looked enviously on the birds soaring freely through space, …"

"We thought that we had solved a problem, but we had only created a new one."

"I confess that in 1901 I said to my brother Orville that man would not fly for 50 years. Ever since I have distrusted myself and trusted him."