255 Quotes by Benjamin Graham

The sillier the market's behavior, the greater the opportunity for the business like investor.

The investor has the benefit of the stock market's daily and changing appraisal of his holdings, for whatever that appraisal may be worth , and, second, that the investor is able to increase or decrease his investment at the market's daily figure if he chooses . Thus the existence of a quoted market gives the investor certain options which he does not have if his security is unquoted. But it does not impose the current quotation on an investor who prefers to take his idea of value from some other source.

The value of the security analyst to the investor depends largely on the investor's own attitude. If the investor asks the analyst the right questions, he is likely to get the right or at least valuable answers.

Unusually rapid growth cannot keep up forever; when a company has already registered a brilliant expansion, its very increase in size makes a repetition of its achievement more difficult.

Wall Street has a few prudent principles; the trouble is that they are always forgotten when they are most needed.

No matter how careful you are, the one risk no investor can ever eliminate is the risk of being wrong. Only by insisting on what Graham called the "margin of safety" - never overpaying, no matter how exciting an investment seems to be - can you minimize your odds of error.

Even defensive portfolios should be changed from time to time, especially if the securities purchased have an apparently excessive advance and can be replaced by issues much more reasonable priced.

The purpose of this book is to supply, in the form suitable for laymen, guidance in the adoption and execution of an investment policy.

Mathematics is ordinarily considered as producing precise and dependable results; but in the stock market the more elaborate and abstruse the mathematics the more uncertain and speculative are the conclusions we draw there from. Whenever calculus is brought in, or higher algebra, you could take it as a warning that the operator was trying to substitute theory for experience, and usually also to give to speculation the deceptive guise of investment.