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

"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 greatest pleasure in life is to do what people say you cannot do."

"The course of the experiment was not always smooth. The machine would start all right, but the propelling power was not sufficient to overcome the resistance of the air."

"It is not in the nature of man to be content with things as they are."