"The aeroplane is not an invention, but a discovery."

"In its campaign to discredit others in the flying art, the Smithsonian has issued scores of these false and misleading statements."

"The only bird that could speak told us what it knew, but we didn’t understand its language."

"For some years I have been afflicted with the belief that flight is possible to man. My disease has progressed to an incurable stage."

"We could not understand why the calculation of Lilienthal and others were so much in error."