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Success is a lousy teacher. It seduces smart people into thinking they cannot lose.
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It is fine to celebrate success but it is more important to heed the lessons of failure.
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We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten.
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Your most unhappy customers are your greatest source of learning.
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We all need people who will give us feedback. That is how we improve.
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Software is a great combination of artistry and engineering.