"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."

"We worked together and we thought together."

"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."

"It is possible to fly without motors, but not without knowledge and skill."

"Instead of falling to the floor, as we expected, it flew across the room till it struck the ceiling, where it fluttered awhile, and finally sank to the floor."