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The greatest investment reward comes to those who by good luck or good sense find the occasional opportunity in a lifetime to put all their resources in one investment almost certain to pay off hugely.

concentrationconviction— The Battle for Investment Survival, 1935
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Once you find a good reason to buy, stay with it unless you find an equally good reason to sell.

convictionpatience— The Battle for Investment Survival, 1965
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Accepting losses is the most important single investment device to insure safety of capital.

capital-preservationlosses— The Battle for Investment Survival, 1935
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The most important single factor in shaping security markets is public psychology.

behavioral-financemarket-psychology— The Battle for Investment Survival, 1935
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Diversification is an admission of not knowing what to do and an effort to strike an average.

concentrationdiversification— The Battle for Investment Survival, 1935
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All the knowledge in the world is worthless unless backed by the courage to act.

actionconviction— The Battle for Investment Survival, 1935