Acta  est  fabula. (August)

Drama has been acted out.

Ad  augusta  per  angusta.

To high places by narrow roads.

Ad  hoc.

Exactly for that. Also: Not prearranged, informal.

Ad honorem.

In honor. Honor not baring any material advantage.

Ad  libitum.

Freely. Without restraint, as desired.

Alea iacta est. (Julius Caesar)

The die is cast. The decision has been made.

Alter ego. (Zeno)

Another I.  Soul mate, close friend.

Alter ipse amicus.

A friend is another self.

Ars gratia artis.

Art for art's sake. Art has its own sense.

Audiatur et altera pars!

Let us hear the opposite side!

Carpe diem. (Horace)

Seize the day.

Cogito, ergo sum. (Descartes)

I think, therefore I am.

Conditio sine qua non.

Condition that cannot (be done) without. Essential condition.

Corpus delicti.

The body of a crime. The facts of a crime.

Cum grano salis. (Pliny the Elder)

With a grain of salt. Take something not literally, with due consideration.

Curriculum vitae.

The run of life.

De facto.

In fact.

De iure.

By law. According to law.

De gustibus non est  dispuntandum.

Tastes are not to be argued.

Dimidium facti qui coepit habet.

He who has begun has the job half done. (Horace)

Divide et impera.

Part and rule. Roman maxima of ruling the subdued nations.

Dulcius ex asperis.

Through difficulty, sweetness.

Dum spiro, spero. (Cicero)

As long as I breathe, I hope.

Dura lex, sed lex.

The law is hard, but it is law.

Eram quod es, eris quod sum.

I was what you are, you will be what I am. (grave inscription)

Errare humanum est. (Seneca)

It is human to make a mistake.

Et tu, Brute! (Julius Caesar)

You too, Brutus! Even you have betrayed me!

Eventus stultorum magister.

Events are the teacher of the stupid persons.

Ex abrupto.

Without preparation.

Ex cathedra.

From the chair. With authority (without argumentation).

Ex gratia.

By moral (not legal) obligation.

Ex libris.

From the library (of).

Exempli gratia. (e.g.)

For example.

Faber quisque fortunae suae.

Each man (is) the maker of his own fortune.

Facta, non verba!

Deeds, not words!

Falsus in uno, falsus in omnibus.

False in one thing, false in all.

Festina lente!

Rush slowly! Do not hasten!

Fiat justitia, ruat caelum.

Let justice be done, even though the heavens collapse.

Fortes Fortuna adjuvat. (Terence)

Fortune aids the brave.

Gutta cavat lapidem (non vi, sed

saepe cadendo). (Ovid)

The water drop drills stone (not by the force, but by falling often). The endurance can overcome the obstacle even without the force.

Historia est vitae magistra.

The history is the tutor of life.

Homines, dum docent, discunt.

While men teach they learn. (Seneca)

Homo homini lupus. (Plautus)

Man is a wolf to man.

Homo sum, humani nihil a me alienum puto.

I am human, therefore nothing human is strange to me.

In medias res.

In the midst of things.

In medio stat virtus. (Horace)

Virtue stands in the middle.

In  memoriam.

In memory (of).

In vino veritas.

The truth is in wine. A drunk person tells the truth.

Inter caecos regnat strabo. (Erasmus)

Among blinds the squinting rules.

Lapsus  linguae.

Error of the tongue.

Lapsus  memoriae.

Error of the memory.

Manus manum lavat. (Petronius)

One hand washes the other. The favor for the favor.

Mea culpa.

By my guilt.

Mens sana in corpore sano.

A sound mind in a sound body. (Juvenalis)

Nemo sine vitio est.

No one is without fault. (Seneca the Elder)

Nil novi sub sole. (Bible)

Nothing new under the sun.

Nomen est omen.

The name is the sign.

Non omne quod nitet aurum est.

Not everything that is shining is gold.

Non plus ultra!

Nothing above that!

Non uno die Roma aedificata est.

Rome was not built in one day.

Nosce te ipsum!

Know thyself.

Nota bene.

Observe carefully.

Occasio aegre offertur, facile amittitur. (Publius Syrus)

Opportunity is offered with difficulty, lost with ease.

Omnia vincit amor.

Love conquers all.

Panem et circenses. (Juvenalis)

Bread and circuses. Food and games to keep people happy.

Parva scintilla saepe magnam

flamam excitat.

The small sparkle often initiates a large flame.

Pecunia non olit.

Money doesn't stink.

Pede poena claudo. (Horace)

Punishment comes limping. Retribution comes slowly, but surely.

Per aspera ad astra.

Through the thorns to the stars.

Persona non grata.

An unwelcome person.

Post tenebras lux.

After darkness, light.

Primus inter pares.

First among equals.

Quae nocent, saepe docent.

What hurts, often instructs. One learns by bitter/adverse experience.

Qui multum habet, plus cupit.

He who has much desires more. (Seneca)

Quid pro quo.

Something for something. A reciprocal exchange, something given in compensation, esp. an advantage.

Quod erat demonstrandum.

What was to be demonstrated..

Quod licet Iovi non licet bovi.

What Jupiter (supreme God) is allowed to do, cattle (people) are not.

Quod natura non sunt turpia.

What is natural cannot be bad.

Repetitio est mater studiorum.

Repeating is the mother of learning.

Scio me nihil scire. (Socrates)

I know that I know nothing. Certain knowledge cannot be obtained.

Si Deus pro nobis quis contra nos.

If God is with us who is against us.

Si vis pacem, para bellum. Vegetius

If you want peace, prepare for the war.

Si sapis, sis apis.

If you are wise, be a bee.

Sic transit gloria mundi.

Thus passes the glory of the world.

Sine die.

Without a date. Without a date limit. Unknown period of time.

Sol omnibus lucet. (Petronius)

The sun shines upon all.

Status quo.

The present state of affairs.

Summum ius, summa iniuria.

Highest law, greatest injustice.

Tabula rasa.

A clean slate. Person that knows nothing.

Tempora mutantur, et nos mutamur

 in illis. (Ovid)

Times are changing, and we are changing within them.

Tempus fugit.

Times run.

Ubi bene, ibi patria.

Where you feel good, there is your home.

Ubi concordia, ibi victoria.

Where is the unity, there is the victory.

Vade mecum.

Come with me. A constant companion.

Varietas delectat.

The diversity is delighting.

Veni, vidi, vici! (Julius Caesar)

I came, I saw, I conquered. Easy accomplishment.

Verba movent, exempla trahunt.

Words move people, examples compel them. Deeds, not words, give the example.

Verba volant, scripta manent.

The words fly away, the writings remain.

Veritas numquam perit. (Seneca)

Truth never perishes.

Vice versa.

Turn in place. The other way round.

Vis maior.

Higher force.

Vitam regit fortuna, non sapientia.

Fortune, not wisdom, rules lives. (Cicero)

Vivere disce, cogita mori.

Learn to live; Remember death.

Vox populi, vox Dei.

The voice of the people is the voice of God. Public opinion is obligatory.

Vulnerant omnes, ultima necat.

Every (hour) wounds, the last kills.

Vulpem pilum mutat, non mores.

A fox may change its hair, not its tricks.