“The chief losses to investors come from the purchase of low-quality securities at times of favorable business conditions.”

It is absurd to think that the general public can ever make money out of market forecasts.

It is a fact worth pondering that four centuries ago the evil of “an abundance or surplus” arose from its being kept off the market, while today the evil of surplus lies in its being thrown upon the market.

The stock market resembles a huge laundry in which institutions take in large blocks of each others washing … without rhyme or reason.

To establish the right price for a stock, the market must have adequate information, but it by no means follows that is the market has this information it will thereupon establish the right price.

The money cost of the reservoir plan literally fades into insignificance when it is compared with the financial burden which the great depression imposed on the nation.

A great company is not a great investment if you pay too much for the stock.

An investor calculates what a stock is worth, based on the value of its businesses.

The only thing you should do with pro forma earnings is ignore them.

Investing is most intelligent when it is most businesslike.

Intelligent investment is more a matter of mental approach than it is of technique. A sound mental approach toward stock fluctuations is the touchstone of all successful investment under present-day conditions.

There is no reason to feel any shame in hiring someone to pick stocks or mutual funds for you. But there’s one responsibility that you must never delegate. You, and no one but you, must investigate whether an adviser is trustworthy and charges reasonable fees.

When somebody asserts that a stock has an earning power of so much, I am sure that the person who hears him doesn’t know what he means, and there is a good chance that the man who uses it doesn’t know what it means.

Confronted with a challenge to distill the secret of sound investment into three words, we venture the motto, Margin of Safety.

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.

The investor’s chief problem – and even his worst enemy – is likely to be himself.

You must never delude yourself into thinking that you’re investing when you’re speculating.

As in roulette, same is true of the stock trader, who will find that the expense of trading weights the dice heavily against him.

Thousands of people have tried, and the evidence is clear: The more you trade, the less you keep.

The best approach here, if at all possible, is to use supervisory and regulatory methods to restrain undue risk-taking and to make sure the system is resilient in case an asset-price bubble bursts in the future.

All economic movements, by their very nature, are motivated by crowd psychology.

We have not known a single person who has consistently or lastingly make money by thus “following the market”. We do not hesitate to declare this approach is as fallacious as it is popular.

An intelligent investor gets satisfaction from the thought that his operations are exactly opposite to those of the crowd.

It should be remembered that a decline of 50% fully offsets a preceding advance of 100%.