I have had the feeling that a properly constructed flying-machine should be capable of being flown as a kite; and conversely, that a properly constructed kite should be capable of use as a flying-machine when driven by its own propellers.
Alexander Graham BellGreat discoveries and improvements invariably involve the cooperation of many minds.
Alexander Graham BellWe are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.
Alexander Graham Bell