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Nassim Nicholas Taleb – Wikiquote

Don’t cross a river if it is four feet deep on average.

Forecasting by bureaucrats tends to be used for anxiety relief rather than for adequate policy making.

The same past data can confirm a theory and its exact opposite! If you survive until tomorrow, it could mean that either a) you are more likely to be immortal or b) that you are closer to death.

While in theory randomness is an intrinsic property, in practice, randomness is incomplete information.

Rank beliefs not according to their plausibility but by the harm they may cause.

This makes living in big cities invaluable because you increase the odds of serendipitous encounters — you gain exposure to the envelope of serendipity.

Globalization creates interlocking fragility, while reducing volatility and giving the appearance of stability. In other words it creates devastating Black Swans. We have never lived before under the threat of a global collapse. Financial Institutions have been merging into a smaller number of very large banks. Almost all banks are interrelated. So the financial ecology is swelling into gigantic, incestuous, bureaucratic banks — when one fails, they all fall. The increased concentration among banks seems to have the effect of making financial crisis less likely, but when they happen they are more global in scale and hit us very hard. We have moved from a diversified ecology of small banks, with varied lending policies, to a more homogeneous framework of firms that all resemble one another. True, we now have fewer failures, but when they occur… I shiver at the thought.

via Nassim Nicholas Taleb – Wikiquote.

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