Every generation believes the people before it thought more clearly. The evidence says otherwise — but not in the direction you’d expect.
We imagine ancient philosophers reasoning in marble courtyards, medieval scholars memorizing entire libraries, tribal elders carrying centuries of knowledge in their heads. Set against that, the modern mind scrolling through notifications looks diminished.
It is a flattering story about the past — and, like most flattering stories, it is mostly wrong.
The IQ illusion
The strongest evidence against ancient superiority comes from an unexpected place: intelligence testing. The **Flynn effect** describes the steady rise in average IQ scores throughout the twentieth century. Norwegian military conscription data analyzed in *PNAS* (Bratsberg & Rogeberg, 2018) found average IQ climbing from 99.5 for the 1962 birth cohort to 102.3 for the 1975 cohort — nearly three points in just thirteen years. Similar gains appeared across dozens of countries.
On the specific skills these tests measure — abstract reasoning, pattern recognition, working memory — moderns clearly outperform their great-grandparents, let alone their ancient ancestors.
There is an important wrinkle. Recent data suggest a **”reverse Flynn effect”** — a plateau or mild decline in several developed nations since the 1970s, documented in Finland, Norway, Denmark, Estonia, Britain, France, the Netherlands, and Australia. But here is the crucial point: researchers attribute both the rise *and* the reversal to environmental factors such as education, nutrition, and media exposure, not to any change in human biology. Cognition is malleable. A recent dip is not evidence that the ancients were sharper; it is evidence that *our conditions* have shifted.
Where the ancients really did excel
One place the “ancients were better” argument has genuine footing is memory. In pre-literate societies, memory was the classroom, repetition was the textbook, and elders were the libraries. Without writing, enormous cognitive resources went into memorization.
Patrick Nunn’s *The Edge of Memory* documents how oral traditions preserved geological and environmental knowledge across thousands of years — including Aboriginal Australian narratives that appear to encode memories of post-glacial sea-level rise from more than seven thousand years ago. The Paleontological Society has called this “irrefutable evidence” that some folk narratives reach back to the end of the last ice age. That is genuinely remarkable.
But it came at a cost. Oral societies tend to be intellectually conservative, because they must commit huge cognitive resources to preserving and transmitting what they already know. Literacy externalizes memory, freeing bandwidth for abstraction, comparison, and cumulative revision. So the ancients likely had *better-trained* memories for culturally transmitted content, while moderns have *better tools* for storing, accessing, and manipulating information. This is a reallocation of cognitive effort, not a decline.
The case that cuts both ways
Consider ancient achievements themselves. Hipparchus compiled the first known star catalog in 129 BCE, charting roughly 850 stars to within a single degree of their true positions — a precision that rivals early modern astronomy. The manuscript was later erased and overwritten, surviving only as a palimpsest. It took a 2022 study using synchrotron radiation at a particle accelerator to recover and verify it.
Think about what that means. A 2,000-year-old achievement of ancient science had to be *rediscovered by modern physics* before we could even confirm how good it was. That is not the record of a dimmer species.
Yet the same logic cuts the other way. The Greeks produced foundational work in number theory, mathematical astronomy, and combinatorics — but it was made by a tiny literate elite under unusually favorable conditions, not by ancient populations in general. And modern science surpassed it precisely *because* of cumulative, written, institutional knowledge. Collective cognitive output depends on infrastructure, not raw brainpower. Genius is distributed across every era; what differs is the scaffolding available to build on it.
Why the myth persists
So why does the “ancients were wiser” story endure? Largely because it is not an observation — it is a bias. The **golden age fallacy** — the belief that the past was simply better — goes back to antiquity itself. People in every era have believed their predecessors were wiser. Meanwhile, logicians have a name for the related error of treating age as proof: the **appeal to tradition** (or *argumentum ad antiquitatem*), the assumption that because an idea is old, it must be sound. The two are cousins, not synonyms — one is a broad nostalgia for a vanished golden age, the other a specific logical fallacy — but both lead to the same mistake. The supposed wisdom of the past is a favorite tool of pseudoscience, invoked to bypass modern evidence. Nostalgia is emotionally satisfying and epistemically unreliable — a longing for a simpler time that never quite existed.
The honest answer
Humans have not gotten smarter or dumber in any simple sense. We have **redistributed cognitive effort** — from internal memory to external tools, from conservative transmission to cumulative innovation. The ancients were not better thinkers. They were *differently situated* thinkers, working with different constraints and different advantages. A medieval scholar who could recite vast texts from memory might struggle with the abstract statistical reasoning any modern teenager handles routinely; that same teenager might struggle to retain a fraction of what the scholar knew by heart.
The question “Were ancients wiser?” may also be poorly framed. Wisdom is not the same as raw cognitive horsepower or memory capacity. It involves judgment, perspective, and the capacity to live well — qualities that are harder to measure and may be more evenly distributed across history than any IQ test could capture. If the ancients have something to teach us, it may be less about superior intellect and more about attention, patience, and the value of holding knowledge in the mind rather than outsourcing it to a device.
The most defensible conclusion is this: we are neither the degraded descendants of superior minds nor their obvious superiors. We are the same species, solving different problems with different tools. The nostalgia that whispers otherwise is a bias we have been repeating for thousands of years — which is itself a useful reminder that being ancient does not make an idea true.