My favorite has always been the one by Wilbur Wright: "I confess that in 1901 I said to my brother Orville that man would not fly for fifty years. Two years la

My favorite has always been the one by Wilbur Wright: "I confess that in 1901 I said to my brother Orville that man would not fly for fifty years. Two years later we ourselves made flights. This demonstration of my impotence as a prophet gave me such a shock that ever since I have distrusted myself and avoided all predictions."