The Discovery of Ignorance

Most premodern societies operated on the shared assumption that the core truths worth knowing were already fully known — handed down complete by gods, ancestors, or ancient authoritative texts, and requiring interpretation rather than genuine discovery. Harari argues that the scientific revolution begins, at its root, with a single uncomfortable admission: that we don't actually know some very important things, and that this gap in knowledge is a reason to go investigate rather than a fact to be embarrassed by or paper over with tradition.

That single attitude shift builds an entirely new set of intellectual habits over the following centuries: controlled experiments, systematic observation, precise measurement, and open criticism of prior conclusions, all of which let knowledge accumulate cumulatively and correct its own past errors. Discovery stops being an occasional flash of individual genius and becomes something closer to a systematic, repeatable institutional process that keeps producing new results generation after generation.

Knowledge then fuses tightly with political and economic power, in a way earlier, more static bodies of traditional wisdom rarely managed. Better navigation techniques, medical knowledge, and weaponry translate directly into new trade routes, new colonies, and greater control over both nature and rival societies. Rulers and merchants learn, often quite consciously, that funding research can be converted into concrete strategic and commercial advantage, which is precisely why they start funding it seriously rather than leaving it to isolated scholars.

A genuinely new view of time follows from this shift, and Harari treats it as one of the revolution's deepest consequences. If the future can turn out to be meaningfully different from the past — richer, more capable, more knowledgeable — then improvement becomes something people can seriously imagine and actively pursue, and inherited tradition loses its monopoly on describing how things simply are and must remain.

Ignorance, under this new framework, stops being something shameful to hide and becomes something genuinely productive to admit openly. The modern age, in Harari's telling, opens with a quiet but consequential confession: we might be wrong about nearly everything we currently believe, and that possibility is exactly why we must keep looking rather than settling for what we already have.