While the apostles of the new so-called "behavioral" theory present ample evidence of how often human beings make irrational financial decisions, it remains to be seen whether these decisions lead to predictable errors that create systematic mispricings upon which rational investors can readily and economically capitalize.
John C. BogleThomas Aquinas defined the human soul as the core of our being, and the power that brings our characteristics into unity so the soul of capitalism - in its own temporal world as contrasted to the spiritual world of human beings - is what defines the core of the system and the factors that unify to produce the wonderful world that we are blessed to live in.
John C. BogleI believe that the behavior of too many of our corporations investment bankers and fund managers has jeopardized some of the trust that investors have had. It's not the economic engine that we need to focus on, but the need to make sure that our investors receive their fair share of the returns that that great economic system produces.
John C. BogleThe mistakes we make as investors is when the market's going up, we think it's going to go up forever. When the market goes down, we think it's going to go down forever. Neither of those things actually happen. Doesn't do anything forever. It's by the moment.
John C. BogleIn the long run, investing is not about markets at all. Investing is about enjoying the returns earned by businesses.
John C. Bogle