Investors should be skeptical of history-based models. Constructed by a nerdy-sounding priesthood using esoteric terms such as beta, gamma, sigma and the like, these models tend to look impressive. Too often, though, investors forget to examine the assumptions behind the models. Beware of geeks bearing formulas.
Warren BuffettWe don't have to be smarter than the rest. We have to be more disciplined than the rest.
Warren BuffettThe much-maligned idle rich have received a bad rap: They have maintained their wealth while many There is scarcely an instance of a man who has made a fortune by speculation and kept it. Andrew Carnegie of the energetic rich, aggressive real estate operators, corporate acquirers, oil drillers, etc. have their fortunes disappear.
Warren Buffett