Latin phrases
15 famous sayings: what each one means, where it comes from, and what we found when we looked at the old texts.
Alea iacta est
“The die is cast”
◐Partly
The ancient sources disagree on the words and the language, and neither has the familiar word order. Suetonius has Caesar at the Rubicon say "Iacta alea est" ("The die is cast", in Rolfe's translation).
Showing all 15.
Labels on this page, with how many phrases carry each: ✓Holds up 3◐Partly 9✕Doesn't hold up 1?Can't confirm 2
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Veni, vidi, vici
“I came, I saw, I conquered”
✓Holds up
It belongs to Julius Caesar and his quick victory at Zela, but two ancient writers report it differently.
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Suetonius says that in his Pontic triumph Caesar "displayed among the show-pieces of the procession an inscription of but three words, 'I came, I saw, I conquered,'" (Rolfe's translation), "not indicating the events of the war, as the others did, but the speed with which it was finished." Plutarch says it was a letter: "to one of his friends at Rome, Amantius, Caesar wrote three words". Both are reports; neither quotes a document by Caesar that survives. Our longer look at the phrase is Veni, vidi, vici: meaning and sources.
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Alea iacta est
“The die is cast”
◐Partly
The ancient sources disagree on the words and the language, and neither has the familiar word order. Suetonius has Caesar at the Rubicon say "Iacta alea est" ("The die is cast", in Rolfe's translation).
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Plutarch tells it differently: Caesar was "calling out in Greek to the bystanders these words only, 'Let the die be cast,'" (Perrin's translation, Pompey 60), a phrase "with which men usually prelude their plunge into desperate and daring fortunes" (Caesar 32). The same Greek saying turns up in a comedy by Menander, quoted by Athenaeus, where it is about getting married: "δεδογμένον τὸ πρᾶγμ· ἀνερρίφθω κύβος", "the thing's decided; let the die be cast".
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Et tu, Brute?
“You too, Brutus?”
✕Doesn't hold upas Caesar's last words
The Latin line is Shakespeare's, in Julius Caesar: "Et tu, Brute?—Then fall, Caesar!" The ancient writers give something else.
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Suetonius says Caesar died "uttering not a word, but merely a groan at the first stroke, though some have written that when Marcus Brutus rushed at him, he said in Greek, 'You too, my child?'" (Rolfe). Cassius Dio prefers the silent version: "This is the truest account". Plutarch has Caesar cry out in Latin at the first blow, "Accursed Casca, what does thou?" (Perrin), but gives him nothing to say to Brutus: "it is said by some writers" that, seeing Brutus's dagger, "he pulled his toga down over his head and sank". The Greek teknon means "child"; the "my" is the translator's.
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Carpe diem
“Seize the day”
✓Holds upas Horace, Odes 1.11: "carpe diem, quam minimum credula postero"
The rest of the line changes the meaning; we cover it in Carpe diem.
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Memento mori
“Remember you will die”
◐Partly
The idea reaches us through Tertullian, Apologeticus 33, where the emperor riding in a triumph is prompted from behind: "Respice post te! Hominem te memento!" — look behind you, remember you are a man. The two-word tag is not in Tertullian's text.
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We go into the caveats in Older Than You Think.
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Si vis pacem, para bellum
“If you want peace, prepare for war”
◐Partly
Vegetius says something very like it, in the preface to book 3 of his military handbook, but not in these words: "Igitur qui desiderat pacem, praeparet bellum", "so let whoever desires peace prepare for war".
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His reason follows: "Nemo prouocare, nemo audet offendere quem intellegit superiorem esse, si pugnet", "no one dares provoke or offend someone he knows would be the stronger in a fight". The thought is older than Vegetius. Cicero said, in his seventh Philippic, "si pace frui volumus, bellum gerendum est", "if we want to enjoy peace, we must wage war" (7.19), and Nepos has Epaminondas say "paritur pax bello", "peace is produced by war" (Epaminondas 5.4). The short si vis pacem form does not occur in book 3, and we did not find where it first appears.
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Cogito, ergo sum
“I think, therefore I am”
◐Partly
Descartes first published it in French, in the Discours de la méthode: "je pense, donc je suis". The Gutenberg edition's note dates the book: "Le Discours sur la méthode parut le 8 juin 1637."
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The Latin "Ego cogito, ergo sum" is in his Principia philosophiae, which the same edition dates to 1644. His second Meditation, where the argument is most famous, says something slightly different: "Ego sum, ego existo", "I am, I exist". The words ergo sum do not occur in the Second Meditation.
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Sic semper tyrannis
“Thus always to tyrants”
?Can't confirmas something Brutus said
It is not in the three ancient accounts of Caesar's death we checked (Suetonius, Plutarch, Cassius Dio). The earliest use we found is American.
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The Library of Virginia records that the design for the state's great seal was proposed "on July 5, 1776", and "the Latin Sic Semper Tyrannis ('Thus Always to Tyrants') chosen for the obverse, or front, of the seal became the state motto". It is also what John Wilkes Booth shouted when he shot Abraham Lincoln at Ford's Theatre on 14 April 1865. The sources place it differently. Booth's own journal says: "I shouted Sic Semper before I fired." The National Park Service says "numerous witnesses mention Booth brandishing the dagger while shouting 'Sic Semper Tyrannis' and running out to the back of the stage", which is after the shot. The two need not contradict each other. In the sources we checked, only the shout on the stage is reported by others; the one before the shot rests on Booth's own journal, in an entry the Park Service says was likely written between 17 and 20 April, while he was hiding.
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Quis custodiet ipsos custodes?
“Who will guard the guards themselves?”
◐Partly
The line is Juvenal's, from Satire 6, but it is about guarding a wife: "'pone seram, cohibe.' sed quis custodiet ipsos custodes? cauta est et ab illis incipit uxor", "'Put on a bolt, keep her in.' But who will guard the guards themselves? The wife is cunning, and starts with them."
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It is not about government. The text is also uncertain: the edition we used prints the line twice, once inside square brackets.
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Panem et circenses
“Bread and circuses”
✓Holds upas Juvenal, Satire 10.81
In G. G. Ramsay's translation, the people "that once bestowed commands, consulships, legions and all else, now meddles no more and longs eagerly for just two things----Bread and Games!"
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The lead-in names the reason: "Now that no one buys our votes, the public has long since cast off its cares". Ramsay renders circenses as "Games". In our reading, Juvenal's target is the people who stopped caring, not a ruler distracting them.
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Mens sana in corpore sano
“A sound mind in a sound body”
◐Partly
The words are Juvenal's, Satire 10.356, but they are the answer to what to pray for, at the end of a poem arguing that most of what people pray for ruins them.
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Ramsay: "Nevertheless that you may have something to pray for", "you should pray for a sound mind in a sound body; for a stout heart that has no fear of death". Then Juvenal turns it round: "What I commend to you, you can give to yourself". Most of what it asks for is character, not fitness.
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In vino veritas
“In wine, truth”
◐Partly
The idea is old; the three-word Latin is not in the Latin text we checked.
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Pliny the Elder, in a disapproving passage on drunkenness, says "volgoque veritas iam attributa vino est", "and truth has now commonly been attributed to wine", after warning that drinkers let out secrets and words that will get them killed. In Greek, Athenaeus reports the saying "οἶνος καὶ ἀλήθεια", "wine and truth", and Theocritus opens a poem with it: "οἶνος ὦ φίλε παῖ λέγεται καὶ ἀλάθεα", "'wine, dear boy,' they say, 'and truth'". We did not find the earliest text with the exact Latin.
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Per aspera ad astra
“Through hardships to the stars”
?Can't confirmas a classical quotation
The phrase is not in the two classical passages it most resembles. In Seneca's Hercules Furens, Megara says "Non est ad astra mollis e terris via", "there is no soft road from the earth to the stars", meaning Hercules' path to becoming a god.
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In Vergil's Aeneid 9, Apollo praises the boy Ascanius after his first kill in battle: "macte nova virtute, puer, sic itur ad astra", "blessings on your new courage, boy; this is the way to the stars". Neither text has per aspera, and we did not find where the four-word motto first appears.
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Festina lente
“Make haste slowly”
◐Partly
Augustus is reported to have repeated it often, but in Greek, σπεῦδε βραδέως; Suetonius lists it among his "favourite sayings" (Rolfe), which does not make it his own coinage.
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Suetonius puts it in a passage on generalship: "He thought nothing less becoming in a well-trained leader than haste and rashness" (Rolfe). Aulus Gellius reports it at second hand: "we are told that he used to say in conversation, and write in his letters, σπεῦδε βραδέως, that is, 'make haste slowly,'" and Rolfe's note adds: "Hence the common festina lente". The Latin form does not occur in either ancient text.
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Errare humanum est
“To err is human”
◐Partly
The thought is classical; the exact tag is not in the two texts behind it. Cicero, Philippic 12.5: "Cuiusvis hominis est errare, nullius nisi insipientis in errore perseverare", "any man can err; only a fool persists in error".
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He was admitting that he and the Senate had been wrong. Augustine, in a sermon about the Donatists who would not admit they had been wrong, supplies the second half people now add: "Humanum fuit errare, diabolicum est per animositatem in errore manere", "to err was human; to remain in error out of stubbornness is devilish". Neither has the words errare humanum est or perseverare diabolicum, and we did not find the first text that does.
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Latin phrases and their meanings: what it is and how to use it
A Latin phrase is a short saying in Latin that is still quoted today, such as carpe diem or veni, vidi, vici. This free tool lists fifteen famous ones you can search in Latin or English, each with what it means, where it comes from and what we found in the old texts. It works in your browser, and nothing you search for is saved.
Where famous Latin sayings come from
Latin phrases sound old, and some are exactly as old as they sound. Our article on famous Latin phrases looked for fifteen of them in the ancient texts and found a mix: some are exact, some are paraphrases, and a few are much later than the people they are credited to.
Several well-known tags, such as in vino veritas and si vis pacem, para bellum, are not in the ancient texts we checked in that form, though each has an older, differently worded relative. "Et tu, Brute?" is Shakespeare's line. And "a sound mind in a sound body" comes at the end of a poem by Juvenal as something to pray for, not as a fitness slogan.
The words around a phrase can change how it reads. Horace's carpe diem goes on quam minimum credula postero, "trusting as little as possible in the next one", and the verb carpo means first of all to pick or pluck, as you would a flower. There is more in Carpe diem.
How to use it
- Start with the phrase of the day at the top. It is picked from your own date, so it changes each day.
- Search in Latin or English: a word such as carpe, guard or wine, or a writer's name such as Juvenal. Capital letters and accents do not matter.
- Read a card: the phrase, its English, our label and the opening of what we found. Open Read the rest for the whole entry.
- Follow a card's link to the full entry with its sources, or to a longer page where we have written one.
An example
Say you want a motto for the front of a notebook and like per aspera ad astra. Search "astra". The card carries the label Can't confirm and explains that the four-word motto is not in the two classical passages it most resembles. You can still use it, knowing that we could not trace it to an ancient text.
Questions people ask
What does carpe diem mean?
It is usually translated "seize the day" and comes from Horace, Odes 1.11. The verb first means to pick or pluck, and the line goes on "trusting as little as possible in the next one".
What does veni, vidi, vici mean?
"I came, I saw, I conquered." It belongs to Julius Caesar and his quick victory at Zela; Suetonius reports it as an inscription carried in his triumph, Plutarch as a letter to a friend in Rome.
Did Julius Caesar say "Et tu, Brute?"
The Latin line is Shakespeare's, in Julius Caesar. Suetonius and Cassius Dio say Caesar died without a word, and report a Greek "you too, child?" only as something some people wrote.
What does quis custodiet ipsos custodes mean?
"Who will guard the guards themselves?" In Juvenal's Satire 6 the line is about guarding a wife, not about government.
Read more
- Famous Latin phrases: 15 sayings and where they come from
- Veni, vidi, vici: meaning and how the sources report it
- Et tu, Brute? Meaning and what the ancient sources report
- Roman numeral converter
Sources
- Suetonius, Life of Julius Caesar, trans. J. C. Rolfe (LacusCurtius) (opens in a new tab)
- Plutarch, Life of Caesar, trans. B. Perrin (LacusCurtius) (opens in a new tab)
- Cassius Dio, Roman History 44 (LacusCurtius) (opens in a new tab)
- Shakespeare, Julius Caesar (Project Gutenberg #1522) (opens in a new tab)
- Horace, Odes 1.11 (The Latin Library) (opens in a new tab)
- Lewis & Short, Latin Dictionary, "carpo" (Perseus) (opens in a new tab)
- Juvenal, Satire 6 (The Latin Library) (opens in a new tab)
- Juvenal, Satire 10, trans. G. G. Ramsay (tertullian.org) (opens in a new tab)
Every meaning, origin and label on this page is taken from our article Famous Latin Phrases, Checked: 15 Sayings and Where They Really Come From, in its own words; English after Latin or Greek is the article's translation unless it names a translator. Nothing you search for is saved or sent anywhere.
Related reading: Famous Latin phrases, checked · Veni, vidi, vici · Carpe diem · Roman numeral converter · All free tools