Fancy computers are engaging in legalized front-running. The profits are clearly coming from the rest of us - our college endowments and our pensions. Why is this legal? What the hell is the government thinking? It's like letting rats into a restaurant.

Determine value apart from price; progress apart from activity; wealth apart from size.

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

I don't invest in what I don't understand. And I don't want to understand Facebook.

I did not succeed in life by intelligence. I succeeded because I have a long attention span.

I think the notion...that liquidity is this - of tradable common stock - is a great contributor to capitalism - I think that is mostly twaddle... The liquidity gives us these crazy booms, which have many problems as well as virtues.

The ethical rule is from Samuel Johnson who believed that maintenance of easily removable ignorance by a responsible office holder was treacherous malfeasance in meeting moral obligation. The prudential rule is that underlying the old Warner & Swasey advertisement for machine tools: "The man who needs a new machine tool, and hasn't bought it, is already paying for it". The Warner & Swasey rule also applies, I believe, to thinking tools. If you don't have the right thinking tools, you, and the people you seek to help, are already suffering from your easily removable ignorance.