I can’t recall how Isaac Asimov’s 1988 essay ‘The Relativity of Wrong’ made it onto my reading list, but it’s a welcome dose of nuance in this era of absolutist thinking. When knowingness tricks our brains into certainty, Asimov’s wonderfully nerdy piece demonstrates that right and wrong are far less binary than we may think.

The piece begins with Asimov addressing a young English literature student who’d written to scold him for his scientific arrogance. The student argues that every generation thinks they’ve got it sorted, and every generation gets proven wrong. Therefore, our current knowledge is just as flawed as flat-earth theory. But Asimov won’t have it:

“When people thought the Earth was flat, they were wrong. When people thought the Earth was spherical, they were wrong. But if you think that thinking the Earth is spherical is just as wrong as thinking the Earth is flat, then your view is wronger than both of them put together.”

He then makes his point clear through a series of delightful examples. Like spelling:

“How do you spell ‘sugar’? Suppose Alice spells it p-q-z-z-f and Genevieve spells it s-h-u-g-e-r. Both are wrong, but is there any doubt that Alice is wronger than Genevieve? For that matter, I think it is possible to argue that Genevieve’s spelling is superior to the ‘right’ one. Or suppose you spell ‘sugar’: s-u-c-r-o-s-e, or C₁₂H₂₂O₁₁. Strictly speaking, you are wrong each time, but you’re displaying a certain knowledge of the subject beyond conventional spelling.”

The same logic applies to mathematics: “Suppose you said: 2 + 2 = an integer. You’d be right, wouldn’t you? Or suppose you said: 2 + 2 = an even integer. You’d be righter. Or suppose you said: 2 + 2 = 3.999. Wouldn’t you be nearly right?”

The flat-earth idea is a great (and again timely?) case study for Asimov’s theory. The notion that the earth was flat wasn’t the product of ancient stupidity but reasonable observation given the tools available. The earth’s actual curvature is roughly 0.000126 per mile – practically indistinguishable from zero without sophisticated instruments.

“So although the flat-Earth theory is only slightly wrong and is a credit to its inventors, all things considered, it is wrong enough to be discarded in favour of the spherical-Earth theory.”

What he’s really arguing for is intellectual humility. Scientific theories don’t flip-flop wildly from flat earth to cubic earth to doughnut-shaped earth. Instead:

“What actually happens is that once scientists get hold of a good concept they gradually refine and extend it with greater and greater subtlety as their instruments of measurement improve. Theories are not so much wrong as incomplete.”

We seem to live in a world of zero-sum thinking, where nuance often gets steamrolled by the satisfying simplicity of being right. I want to remember Asimov’s framework the next time I’m certain someone else is wrong – that most disagreements aren’t between absolute truth and utter falsehood, but between different degrees of incompleteness. – Kai