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 BuffettA pin lies in wait for every bubble and when the two eventually meet, a new wave of investors learns some very old lessons.
Warren BuffettWith each investment you make, you should have the courage and the conviction to place at least ten per cent of your net worth in that stock
Warren Buffett