Carl Sagan — "We live in a society exquisitely dependent on science and technology, in which h…"
We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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Understanding this quote
What it means
Modern civilization depends entirely on science and technology for medicine, food, energy, communication, and defense—yet most citizens can't explain how vaccines work, what a gene is, or how a computer processor functions. This creates a dangerous disconnect: people vote on science-laden policies and consume technology they can't evaluate, leaving them vulnerable to misinformation about the very systems keeping them alive. Dependency without understanding invites manipulation and collective failure.
Relevance to Carl Sagan
Sagan dedicated his life to closing this gap. Through Cosmos—watched by 500 million people—The Demon-Haunted World, and his Cornell astronomy work on NASA's Voyager and Mariner missions, he witnessed scientific illiteracy enabling nuclear brinkmanship, environmental denial, and rampant pseudoscience. He believed democracy couldn't function without a scientifically literate citizenry, and this quote crystallizes the threat he spent his entire career fighting, one television episode and public lecture at a time.
The era
Sagan wrote this in the mid-1990s as the internet commercialized, genetic engineering sparked ethics debates, and fossil fuel industry campaigns actively undermined emerging climate science. The Cold War had just ended but nuclear arsenals remained enormous. Simultaneously, creationism challenged biology classrooms, tabloid UFO culture flourished, and New Age pseudoscience boomed. Science was advancing faster than public education could track—creating precisely the politically dangerous conditions this observation diagnosed.
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