Because investors are not usually penalized for adhering to conventional practices, doing so is the less professionally risky strategy, even though it virtually guarantees against superior performance.
Seth KlarmanAs Graham, Dodd and Buffett have all said, you should always remember that you don't have to swing at every pitch. You can wait for opportunities that fit your criteria and if you don't find them, patiently wait. Deciding not to panic is still a decision.
Seth Klarman