"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."

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Nothing in finance is more fatuous and harmful, in our opinion, than the firmly established attitude of common stock investors regarding questions of corporate management. That attitude is summed up in the phrase: "If you don't like the management, sell your stock." ... The public owners seem to have abdicated all claim to control over the paid superintendents of their property.

— Benjamin Graham