The loss was not bad luck. It was bad analysis.

In the real world, illiquid assets carry a discount.

The investing world is a little bit more multidimensional than poker.

What is uncertain is how much further the bubble can expand, and what might pop it.

As an investor my job is to figure out what will happen rather than what should happen.

There's more at risk in what happens in Microsoft than I could ever bet on a poker table.

Ive got a fantasy-baseball team with my brother. But I have to admit, he does all the work.

I've got a fantasy-baseball team with my brother. But I have to admit, he does all the work.

What do you call a stock that's down 90%? A stock that was down 80% and then got cut in half.

My parents are nice people, and they also made a point to have dinner as a family every night.

We never invent new reasons to continue with a position when the original reasons are no longer available.

Investing in a poker game and investing in stocks, at least the way I do it, it's a very similar skillset.

On my best days, I fancy myself a combination of Dad's persistence/patience and Mom's toughness/skepticism.

Our view is that just because Amazon can disrupt somebody else's profit stream, it doesn't mean that Amazon earns that profit stream.

You have a certain set of facts and you are looking for situations where you have an edge, whether the edge is psychological or statistical.

When you leave a good job to go off on your own and don't expect to make money for a while, you name the firm whatever your wife says you should.

For one thing, Greenlight only hires nice people. By that, I don't mean that we avoid hiring jerks. I mean we actively look to hire people who are nice.

Texas hold 'em is all about folding and waiting for that time that comes up every hour or two where you actually have an advantage and you can press it.

We believe in constructing the portfolio so that we put our biggest amount of money in our highest-conviction idea, and then we view the other ideas relative to that.

We try not to have many investing 'rules,' but there is one that has served us well: If we decide we were wrong about something, in terms of why we did it, we exit, period.

In my business investing, you are buying a stock, and someone else is selling the stock. Right there, that's like a debate. Is the stock going up, or is it going to go down?

My father and grandfather were businessmen. The family business was Adelphi Paints in New Jersey. When the first energy crisis came in the early 1970s, the business suffered.

A 99% Value-at-Risk calculation does not evaluate what happens in the last one percent... This is like an airbag that works all the time, except when you have a car accident.

I spent most of high school working on the debate team, probably at some expense to my grades. Being a member of the team was great training in critical analysis, organization, and logic.

Both poker and investing are games of incomplete information. You have a certain set of facts and you are looking for situations where you have an edge, whether the edge is psychological or statistical.

Microsoft could help Facebook with one of the biggest challenges, namely monetizing its traffic without reducing the user's experience. It's obvious that Microsoft needs traffic and Facebook needs search.

I worked in investment banking for two years. I was in a program where they kind of just owned you. And you - I didn't realize that I've signed up for that, which was one of the problems. I didn't know anybody who'd done this.

After my undergraduate, I've written a thesis that was in the government department, but largely, it turned out almost an economic type of thesis. And I was very interested in that, and I wanted to go get a Ph.D. in Economics.

During my freshman year at Cornell, I joined my dorm's intramural football team. At the first practice, upper classmen pointed out I was tall, so I should try playing QB. Well half an hour later, it was abundantly clear that I should not be the QB.

In an industry that celebrates personal sacrifice as a symbol of commitment, you might not consider 'making sure everyone gets home for dinner' to be a mark of success, but creating and maintaining that culture is one of the things I'm most proud of.

Obviously, I wasn't expecting Wall Street to be a laid-back place. I was prepared for hard work. Sadly, much of the work the new guys were asked to do and the insane hours we were expected to keep had little to do with making the bank more productive. It felt more like hazing.

When people ask me what I do for a living, I generally tell them 'I run a hedge fund.' The majority give me a strange look, so I quickly add, 'I am a money manager.' When the strange look persists, as it often does, I correct it to simply, 'I'm an investor.' Everyone knows what that is.

With poker, you have a resolution of the hand within a couple of minutes. Whereas, even if the thought process in investing is very much the same, you're looking at an outcome that could be 2, 3, 4, 5 years from when you make the original decision. And the mindset related to that is very different.

I rooted for the Milwaukee Brewers and its stars, Robin Yount and Paul Molitor. I went to a lot of games, including the World Series in 1982. The Brewers may have been a bad team for most of my life, but to have your team at its peak when you are thirteen years old is an experience I wish for every fan.

The enthusiasm for Tesla and other bubble-basket stocks is reminiscent of the March 2000 dot-com bubble. As was the case then, the bulls rejected conventional valuation methods for a handful of stocks that seemingly could only go up. While we don't know exactly when the bubble will pop, it eventually will.

I will keep a substantial long exposure to gold -- which serves as a Jelly Donut antidote for my portfolio. While I'd love for our leaders to adopt sensible policies that would reduce the tail risks so that I could sell our gold, one nice thing about gold is that it doesn't even have quarterly conference calls.

We take the traditional value investor's process and just flip it around a little bit. The traditional value investor asks 'Is this cheap?' and then 'Why is it cheap?' We start by identifying a reason something might be mispriced, and then if we find a reason why something is likely mispriced, then we make a determination whether it's cheap.

One of the best investors around, Joel Greenblatt, has written a popular, charming and funny book about investing in great companies at low P/E multiples. To simplify an already simple book, great companies are generally measured as companies that can generate lots of profit without requiring a lot of capital. This means that they have high ROEs.

Microsoft has one more shot at a role in smart phone software through its deployment on Nokia phones. Nokia is still the global market share leader in cell phones. Maybe it will work out, but this is hard to envision great success in the area coming on the heels of so much disappointment in missed opportunity in this important and visible category.

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