"If we worked on the assumption that what is currently accepted as true really is true, then there would be little hope for advance."

"It is not necessary to be a genius to be an inventor."

"The greatest danger in flying is the ground."

"We could not understand how it was that the best scientists could not fly a machine. We thought that they must be working on the wrong principle."

"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, …"