The 80/20 Principle

The 80/20 Principle

Surprisingly, logic often isn’t that helpful

King Solomon’s “outrageous” move shows why behavior beats argument—and how to use that in practice.

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Ernie the Attorney
Feb 03, 2026
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Lawyers are taught to believe the best solution is the one that makes sense: clear facts, impeccable logic, rational arguments.

That works on law school exams and with hyper‑rational judges.

It works less well with real people.

Beyond mere logic

Rory Sutherland observed:

Not everything that makes sense works. Not everything that works makes sense.

Consider th…

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