In the short run, the market is a voting machine, but in the long run it is a weighing machine.

The art of investment has one characteristic that is not generally appreciated. A creditable, if unspectacular, result can be achieved by the lay investor with a minimum of effort and capability; but to improve this easily attainable standard requires much application and more than a trace of wisdom. If you merely try to bring just a little extra knowledge and cleverness to bear upon your investment program, instead of realizing a little better than normal results, you may well find that you have done worse.

We are convinced that the intelligent investor can derive satisfactory results from pricing of either type (market timing or fundamental analysis via price). We are equally sure that if he places his emphasis on timing, in the sense of forecasting, he will end up as a speculator and with a speculator's financial results." And "The speculator's primary interest lies in anticipating and profiting from market fluctuations. The investor's primary interest lies in acquiring and holding suitable securities at suitable prices.

An investment operation is one which, upon thorough analysis, promises safety of principal and an adequate return.

In the short run, the market is a voting machine, but in the long run it is a weighing machine.

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.

No statement is more true and better applicable to Wall Street than the famous warning of Santayana: "Those who do not remember the past are condemned to repeat it".