But whatever the consensus on the EMH, I know of no serious academic, professional money manager, trained security analyst, or intelligent individual investor who would disagree with the thrust of EMH: The stock market itself is a demanding taskmaster. It sets a high hurdle that few investors can leap.
John C. BogleThe courage to press on regardless - regardless of whether we face calm seas or rough seas, and especially when the market storms howl around us - is the quintessential attribute of the successful investor.
John C. Bogle