Price statistics show clearly that instability in raw-material prices is a prime cause of instability of other prices. - Benjamin Graham

All the real money in investment will have to be made—as most of it has been in the past— not out of buying and selling but out of owning and holding securities, receiving interests and dividends therein, and benefiting from their long-term increases in value. Hence stockholder's major energies and wisdom as investors should be directed toward assuring themselves of the best operating results from their corporations. This in turn means assuring themselves of fully honest and competent managements.

Observation over many years has taught us that the chief losses to investors come from the purchase of low-quality securities at times of favorable business conditions.

The history of the past fifty years, and longer, indicates that a diversified holding of representative common stocks will prove more profitable over a stretch of years than a bond portfolio, with one important provisio—that the shares must be purchased at reasonable market levels, that is, levels that are reasonable in the light of fairly well-defined standards derived from past experience.