We have to live today by what truth we can get today and be ready tomorrow to call it falsehood.
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Pessimism leads to weakness, optimism to power.
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The greatest discovery of my generation is that man can alter his life simply by altering his attitude of mind.
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Believe that life is worth living and your belief will help create that fact.
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Our belief at the beginning of a doubtful undertaking is the one thing that ensures the successful outcome of our venture.
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Success or failure depends more upon attitude than upon capacity successful men act as though they have accomplished or are enjoying something. Soon i...
