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Chapter 14 · 0.5 min · from Sapiens

The Discovery of Ignorance

Chapter summary from Sapiens by Yuval Noah Harari.

More by Yuval Noah Harari

Many societies assumed the core truths were already known: handed down by gods, ancestors, or ancient authorities. The scientific revolution begins when people admit ignorance and treat “we don’t know” as a reason to investigate.

That attitude builds new habits: experiments, maps, measurement, and criticism that let knowledge accumulate and correct itself. Discovery becomes systematic rather than occasional.

Knowledge then fuses with power. Better navigation, medicine, and weaponry translate into trade routes, colonies, and control. Rulers and merchants learn that research can be converted into advantage, so they fund it.

A new view of time follows. If the future can differ from the past, improvement becomes imaginable, and tradition loses its monopoly. Ignorance stops being shameful and becomes productive. The modern age opens with a confession: we might be wrong, so we must look.

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