Edward Jenner — "The human mind is capable of great things; but it is also capable of great error…"
The human mind is capable of great things; but it is also capable of great errors.
Get This Quote & Author's Image Illustrated On:
Click any product to generate a realistic preview. Up to 3 at a time.
* Initial load can take up to 90 seconds — revising the preview in another color is nearly instant.
Kitchen
Apparel
Other
More from Edward Jenner
"I shall not, I presume, be thought presumptuous in declaring, that the Cow Pox is the most efficacious, and the most safe, of all the methods that have been yet discovered, for eradicating the Small P…"
"The deviation of man from the state in which he was originally placed by nature seems to have proved to him a prolific source of diseases."
"The practice of vaccination is now so generally adopted, that it is hardly necessary to recommend it."
"The disease has hitherto been confined to particular districts; and it has been observed, that where the Cow Pox has prevailed, the Small Pox has been much less frequent, and much less fatal."
"The most curious circumstance attending this disease, is, that the matter taken from the pock of a Cow, and inserted into the skin of a human being, will produce a disease in that human being, which w…"
Verification
Unverifiable
Found in 1 providers: grok
1 source checked
Understanding this quote
What it means
Human intellect can produce extraordinary achievements — scientific breakthroughs, art, civilization — but that same reasoning capacity generates confident, systematic wrongness. Intelligence doesn't protect against error; it can amplify it by constructing elaborate justifications for bad ideas. This is a call for epistemic humility: your conclusions, however carefully reasoned, might be fundamentally mistaken. The mind's greatest strength and its deepest vulnerability share the same origin.
Relevance to Edward Jenner
Jenner's career embodied this tension directly. His smallpox vaccine — medicine's greatest early triumph — was rejected for years by the Royal College of Physicians, brilliant men committing great errors. Jenner also revised his own early cowpox hypotheses through repeated observation. His life required navigating institutional resistance from capable but wrong colleagues, giving him firsthand evidence that intellectual authority and intellectual accuracy are entirely separate things.
The era
Jenner worked during the late Enlightenment, when faith in human reason peaked — yet this era also produced the French Revolution's Reign of Terror, proving rational ideals could license atrocity. In medicine, bloodletting and miasma theory persisted for decades despite contradicting evidence, defended by learned physicians. The same century that advanced chemistry and physics also entrenched lethal medical dogmas, making the gap between intellectual capability and actual accuracy devastatingly consequential.
AI-generated insights based on extensive research and information for context. Factual errors? Email [email protected].