The exact words
What Pope wrote
The line is usually quoted as “a little knowledge is a dangerous thing,” but Pope wrote “learning.” It comes from the second part of An Essay on Criticism, his 1711 poem of advice for critics, in a passage about the overconfidence of the half-educated: “A little learning is a dangerous thing; / Drink deep, or taste not the Pierian spring: / There shallow draughts intoxicate the brain, / And drinking largely sobers us again.”
The Pierian spring, in Greek mythology, was sacred to the Muses, the goddesses of the arts and learning, and drinking from it brought inspiration. Pope’s image is about drinking. A small sip goes straight to your head, the way a little alcohol can make someone giddy and loud. Drinking deeply has the opposite effect: it sobers you, because the more you learn, the more you see how much you do not know.
What it means
The next lines develop the idea with a picture of a young traveler climbing the Alps. From the bottom, the first peak looks like the summit, but on reaching it he sees “hills peep o’er hills, and Alps on Alps arise.” Real learning, in other words, keeps showing you new heights. The danger of a little learning is the belief that you have already arrived.
The idea has only become more relevant. It is close to what psychologists now describe as the tendency of people with limited knowledge of a subject to overrate their own competence.
How to use it
The couplet suits graduations and any talk about expertise and humility. Quote both lines if you can, since “Drink deep, or taste not” is the actual advice. In writing, use “learning,” not “knowledge,” as Pope wrote it.
What people get wrong
“A little knowledge is a dangerous thing.”
Pope wrote “a little learning.” The idea is the same, but the line continues with advice that is usually left out, “Drink deep, or taste not the Pierian spring.”
Timeline
- Greek mythThe Pierian spring in Macedonia is sacred to the Muses and believed to give inspiration and knowledge to those who drink from it.
- 1711Pope publishes An Essay on Criticism, with the famous couplet in Part II.
- 19th century onwardThe misquotation “a little knowledge is a dangerous thing” becomes common.
Use it in a speech
Questions people ask
Is it “a little learning” or “a little knowledge”?
Pope wrote “a little learning.” “A little knowledge is a dangerous thing” is a common misquotation with the same meaning.
What is the Pierian spring?
In Greek mythology, a spring in Pieria, Macedonia, sacred to the Muses. Drinking from it was said to bring knowledge and inspiration.
What does the whole couplet mean?
A small sip of knowledge goes to your head and makes you overconfident, like a small drink making someone tipsy. Deep study sobers you up, because you realize how much you don't know.
Cite this quote
These cite the original source directly, so you can use them in an essay or paper. Always check your teacher's required style.