“Traditionally the investor has been the man with patience and the courage of his convictions who would buy when the harried or disheartened speculator was selling.”

A stock is not just a ticker symbol or an electronic blip; it is an ownership interest in an actual business, with an underlying value that does not depend on its share price.

Do not let anyone else run your business

Never buy a stock because it has gone up or sell one because it has gone down.

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.

Those with the enterprise lack the money and those with the money lack the enterprise to buy stocks when they are cheap.

The beauty of periodic rebalancing is that it forces you to base your investing decisions on a simple, objective standard.

Confusing speculation with investment is always a mistake.

For 99 issues out of 100 we could say that at some price they are cheap enough to buy and at some price they would be so dear that they would be sold.

The essence of investment management is the management of risks, not the management of returns.

Nothing important on Wall Street can be counted on to occur exactly in the same way as it happened before.

To see how much a company is truly earning on the capital it deploys in its businesses, look beyond EPS to Return on Invested Capital (ROIC).

The investor should be aware that even though safety of its principal and interest may be unquestioned, a long term bond could vary widely in market price in response to changes in interest rates.