“If you develop the absolute sense of certainty that powerful beliefs provide, then you can get yourself to accomplish virtually anything, including those things that other people are certain are impossible.”
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You can be deprived of your money, your job and your home by someone else, but remember that no one can ever take away your honor.
William Lyon Phelps 
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The belief that youth is the happiest time of life is founded on a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.
William Lyon Phelps
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One of the secrets of life is to keep our intellectual curiosity acute.
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A bibliophile of little means is likely to suffer often. Books don't slip from his hands but fly past him through the air, high as birds, high as prices.
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In a start-up company, you basically throw out all assumptions every three weeks.
William Lyon Phelps
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