Risk comes from not knowing what you are doing so wide diversification is only required when investors are ignorant. You only have to do a very few things in your life so long as you don't do too many things wrong.

People went crazy with tulip bulbs. They went crazy with the South Sea Bubble, they went crazy internet stocks, they went crazy with the uranium stocks back when I was first getting started.

The worst sort of business is one that grows rapidly, requires significant capital to engender the growth, and then earns little or no money. Think airlines. Here a durable competitive advantage has proven elusive ever since the days of the Wright Brothers. Indeed, if a farsighted capitalist had been present at Kitty Hawk, he would have done his successors a huge favor by shooting Orville down.

Energy deregulation will be the largest transfer of wealth in history.

In the search [of a deal], we adopt the same attitude one might find appropriate in looking for a spouse: It pays to be active, interested, and open-minded, but it does not pay to be in a hurry.

[People] have seen the credit market seize up. They're worried about money market funds, although the latest proposition from government should take care of that. They've seen eight percent of the bank deposits in the United States get moved very skillfully, I might say, within the last couple of weeks from institutions that they thought were fine a few months ago to other institutions. They are not wrong to be worried.

I would push purchasing power - you push out $1,000 of purchasing to those people, it's going to get - it's going to get spent. And it needs to be spent. They need it. And it should come, to some extent, from guys like me.