Many people say that the bumblebee greatly overestimates her ability to fly because her body is much too large for the flimsy set of wings nature gave her. But she thinks she can fly and expects to fly, and she flies very well. “One of the greatest mistakes you can make is to underestimate yourself,”
A college professor was once approached after a lecture by a young man demanding an explanation for an apparent contradiction between something he had said during class and something he had written in an article years before. The professor responded, “When I’m wrong, I change my mind. What do you do?” Changing one’s mind is
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