'Crowd folly', the tendency of humans, under some circumstances, to resemble lemmings, explains much foolish thinking of brilliant men and much foolish behavior - like investment management practices of many foundations represented here today. It is sad that today each institutional investor apparently fears most of all that its investment practices will be different from practices of the rest of the crowd.

Size will hurt returns. Look at Berkshire Hathaway - the last five things Warren has done have generated returns that are splendid by historical standards, but now give him $100 billion in assets and measure outcomes across all of it, it doesn't look so good. We can only buy big positions, and the only time we can get big positions is during a horrible period of decline or stasis. That really doesn't happen very often.

When it gets into these spikes, with shortages and uproar and so forth, people go bananas, but that's capitalism.

A great business at a fair price is superior to a fair business at a great price.

Beta and modern portfolio theory and the like - none of it makes any sense to me.

Stock-picking is like gambling: those who win well, seldom bet, but when they do, they bet heavily.

Most people early achieve and later intensify a tendency to process new and disconfirming information so that any original conclusion remains intact. They become people of whom Philip Wylie observed: "You couldn't 't squeeze a dime between what they already know and what they will never learn."