All posts filed under “Notes

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Chesterton’s Fence

In the matter of reforming things, as distinct from deforming them, there is one plain and simple principle; a principle which will probably be called a paradox. There exists in such a case a certain institution or law; let us say, for the sake of simplicity, a fence or gate erected across a road. The more modern type of reformer goes gaily up to it and says, “I don’t see the use of this; let us clear it away.” To which the more intelligent type of reformer will do well to answer: “If you don’t see the use of it, I certainly won’t let you clear it away. Go away and think. Then, when you can come back and tell me that you do see the use of it, I may allow you to destroy it.”

– GK Chesterton

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Antilibrary

A private library is not an ego-boosting appendage but a research tool. Read books are far less valuable than unread ones. The library should contain as much of what you do not know as your financial means, mortgage rates, and the currently tight real-estate market allows you to put there. You will accumulate more knowledge and more books as you grow older, and the growing number of unread books on the shelves will look at you menacingly. Indeed, the more you know, the larger the rows of unread books. Let us call this collection of unread books an antilibrary.

– Nassim Nicholas Taleb

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Inferential Focus

Inferential focus’s discipline centers on the reading of 180 publications, which range from Adhesive Age to Yankee (many of these subscriptions are trade periodicals). Such reading serves as a “radar screen” on which the anomalies, or clues of change, first appear. This reading also provides a feeling for what is normal, as one needs to know normality in order to recognize an anomaly (something that shouldn’t be happening in terms of “conventional wisdom”). When sufficient anomalies or breaks in a trend are noted, inferential focus infers that a new trend is forming.

– Bennett W. Goodspeed

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Opportunity Cost and the Default Option

In the real world, you have to find something that you can understand that’s the best you have available. And once you’ve found the best thing, then you measure everything against that because it’s your opportunity cost. That’s the way small sums of money should be invested. And the trick, of course, is getting enough expertise that your opportunity cost — meaning your default option, which is still pretty good — is very high…. Most people aren’t going to find thousands of things that are equally good; they’re going to find a few things where one or two of them are way better than anything else they know. And the right way to think about investing is to act thinking about your best opportunity cost.

– Charlie Munger

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Calibrate

There are two things I would never say when referring to the market: “get out” and “it’s time.” I’m not that smart, and I’m never that sure. The media like to hear people say “get in” or “get out,” but most of the time the correct action is somewhere in between. Investing is not black or white, in or out, risky or safe. The key word is “calibrate.” The amount you have invested, your allocation of capital among the various possibilities, and the riskiness of the things you own all should be calibrated along a continuum that runs from aggressive to defensive.

– Howard Marks