I am not worried about the country. I'm just worried about anything that gums up the potential of the country. And right now, it's pretty gummed up.

An investor should ordinarily hold a small piece of an outstanding business with the same tenacity that an owner would exhibit if he owned all of that business.

Investing is simple, but not easy.

The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, the durability of that advantage.

By periodically investing in an index fund, the know-nothing investors can actually outperform most investment professionals.

At Berkshire, I both initiate and monitor every derivatives contract on our books ... If Berkshire ever gets in trouble, it will be my fault. It will not be because of the misjudgments made by a risk committee or chief risk officer.

SUPPOSE that an investor you admire and trust comes to you with an investment idea. This is a good one, he says enthusiastically. I'm in it, and I think you should be, too.