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 BuffettYou have to be able to communicate in life and probably schools underemphasize that. If you can't talk to people or write, you're giving up your potential.
Warren BuffettIf you lose money for the firm, I will be forgiving. If you lose reputation, I will be ruthless.
Warren BuffettAs I have mentioned before, we cannot make the same sort of money out of permanent ownership of controlled businesses that can be made from buying and reselling such businesses, or from skilled investment in marketable securities. Nevertheless, they offer a pleasant long term form of activity (when conducted in conjunction with high grade, able people) at satisfactory rates of return.
Warren Buffett