Doctus cum libro similis asino
“Learned with a book, like a donkey.”
Latin proverb
What does “Doctus cum libro similis asino” mean?
Doctus cum libro similis asino translates as “Learned with a book, like a donkey.”
Someone who knows things only from books, without understanding, is no better than a donkey carrying them. It praises real understanding over rote knowledge.
“Doctus cum libro similis asino” word by word
| Latin | English | Grammar |
|---|---|---|
| Doctus | learned, educated | nominative singular masculine of the adjective doctus, from doceo, “I teach”; literally “taught” |
| cum | with | preposition taking the ablative case |
| libro | book | ablative singular of liber, “book”; the case required after cum |
| similis | like, similar to | nominative singular masculine of the adjective similis; it takes the dative for the thing compared |
| asino | to a donkey | dative singular of asinus, “donkey”; the dative follows similis |
How to pronounce “Doctus cum libro similis asino”
The consonants are the same in both systems; Church speakers give the short i of libro and similis a fuller ee. Doctus, libro and similis are stressed on the first syllable, asino on its long i.
The story behind it
Word for word the line reads “learned with a book, like a donkey”. It describes a person whose learning exists only on the page, who carries knowledge about like a pack animal carrying a load.
The proverb has no known author, and no ancient source can be named for it. It is usually classed as medieval and is especially familiar in French, where “doctus cum libro” is said of people whose ideas come straight from other people’s books.
The donkey was a standard symbol of dull, unthinking effort in European proverbs, which gives the line its sting. It remains a handy jab at memorising facts without grasping them.
How to use “Doctus cum libro similis asino”
A good fit for a classroom or library poster about thinking for yourself, a teacher’s desk motto, or an essay on rote learning versus real understanding. Its teasing tone suits a humorous tattoo or print better than a solemn one.
- Latin
- Doctus cum libro similis asino
- English
- Learned with a book, like a donkey.
- Source
- Latin proverb
- Era
- Middle Ages
- Theme
- Learning
Common mistakes
- It does not mean that books or learning are bad. The target is knowledge without understanding.
- The wording varies between collections, so do not treat this exact form as a classical quotation.
- Do not credit it to a named ancient author. It is an anonymous proverb.
- Similis takes the dative, so asino is correct. Writing asinus or asinum would be a grammar error.
Questions about “Doctus cum libro similis asino”
What does “Doctus cum libro similis asino” mean literally?
“Learned with a book, like a donkey”: a person whose learning comes only from books, with no real understanding, is like a donkey carrying a load.
Who said “Doctus cum libro”?
No one is known to have said it. It is an anonymous Latin proverb, often placed in the Middle Ages and still familiar in French usage.
How do you pronounce “Doctus cum libro similis asino”?
In classical Latin: DOHK-toos koom LIH-broh SIH-mih-lis ah-SEE-noh. In Church Latin: DOHK-toos koom LEE-broh SEE-mee-lees ah-SEE-noh.
Is “Doctus cum libro similis asino” correct Latin for a tattoo?
The grammar is sound: similis takes the dative, so asino is right. Because it is a joking proverb, check that the tone is what you want.
More to explore
Translation and grammar checked by Latin Quoter · last reviewed November 2026
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