"'It isn’t true,' Wilbur later wrote, 'to say we had no special advantages … the greatest thing in our favour was growing up in a family where there was always much encouragement to intellectual curiosity.' Wilbur’s interest in flight began in childhood; it turned into an obsession and then into a practical plan. Other pioneers of flight were focused on the question of power. The Wrights were fascinated by birds, and learned a lot from their study of them. One of Wilbur’s crucial insights was that flying, like cycling, was a question of balance. He saw that bird flight was all about equilibrium: about the bird’s keeping itself in the air with the maximum efficiency and minimum effort."
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