"we found that success correlates more closely with confidence than it does with competence. Yes, there is evidence that confidence is more important than ability when it comes to getting ahead. This came as particularly unsettling news to us, having spent our own lives striving toward competence."

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No doubt there are some who, when confronted with a line of mathematical symbols, however simply presented, can only see the face of a stern parent or teacher who tried to force into them a non-comprehending parrot-like apparent competence--a duty and a duty alone--and no hint of magic or beauty of the subject might be allowed to come through.

— Roger Penrose