In flying I have learned that carelessness and overconfidence are usually far more dangerous than deliberately accepted risks.
Wilbur Wright, 1871-1948, in a letter to his father, September 1900. Wilbur and Orville Wright were bicycle mechanics and aviation pioneers, credited with theĀ first controlled, powered and sustained heavier-than-air human flight.
(Thanks to Greg Feith and Dave English at SkyGod.com)