Although we deal with probabilities and expectations, the actual results can deviate substantially from such expectations, particularly on a short-term basis.
Warren BuffettDiversification is a protection against ignorance. It makes very little sense for those who know what they're doing.
Warren BuffettA low-cost index fund is the most sensible equity investment for the great majority of investors. My mentor, Ben Graham, took this position many years ago, and everything I have seen since convinces me of its truth.
Warren BuffettIf you can eliminate the government as a 39.6% partner, then you will be much better off.
Warren BuffettIn earlier years, a lesser effort produced literally dozens of comparable opportunities. It is difficult to be objective about the causes for such diminution of one's own productivity. Three factors that seem apparent are: (1) a somewhat changed market environment; (2) our increased size; and (3) substantially more competition.
Warren Buffett