| A | B |
| SPQR [Senatus populusque romanus] | the Roman senate and people |
| summa cum laude | with highest honors |
| rigor mortis | stiffness after death |
| in toto | entirely |
| ex libris | from the library of |
| sui generis | one of a kind, unique |
| vox populi | voice of the people |
| terra firma | solid ground |
| in medias res | in the midst of |
| sine qua non | a necessity |
| status quo | unchanged position |
| in utero | in the womb |
| caveat emptor | buyer beware |
| non compos mentis | non of a sound mind |
| per se | intrinsically, of itself |
| modus vivendi | way of living |
| culpa mea est | my fault |
| ante bellum | before the war |
| homo sapiens | modern man |
| cave canem | beware of the dog |
| sub rosa | confidentially |
| semper fidelis | always faithful |
| carpe diem | sieze the day |
| tempus fugit | time flies |
| e pluribus unum | one from many [a motto of USA] |
| persona non grata | an unwelcome person |
| lapsus linguae | slip of the tongue |
| veni, vidi vici | I came, I saw, I conquered |
| Esse quam videri | to be rather than to seem [Sallust] |
| in vitro | in a dish/glass |
| Condemnant quod non intellegunt | They condemn because they do not understand |
| Sic semper tyrannis | Thus always to tyrants [Motto of Virginia] |
| Sec transit gloria mundi | Thus passes the glory of the world |
| Habeas corpus | You may [must] have the body |
| In hod signo vinces | In this sign you will conquer |
| Quo vadis? | Where are you going? |
| Summum Bonum | Greatest Good |
| Verbum sat sapienti | A word to the wise is enough |
| Te moritur salutamus | We who are about to die salute you |
| Cui bono | For whom is it good? [Who got the profit?] [Cicero] |
| Quid pro quo | What for what [this for that] -- an exchange |
| Non sequitur | It does not follow |
| Dum spiro, spero | While I breathe, I hope |
| Per diem | by the day, per day |
| Pro bono publico | For the public good |
| Sui generis | Of its own kind, i.e, unique |
| Mens conscia recti | A mind conscious of right |
| Mens sana in corpore sano | A sound mind in a sound body |
| Nil disputandum de gustibus | There's no disputing about tastes |
| Sunt lacrimae rerum | There are tears for things [Vergil] |
| Descensus Averno facilis estt | Easy to descend to Avernus [Vergil] |
| Timeo Danaos et dona ferentes | I fear the Greeks bearing gifts [Vergil] |
| Quod sum eris | I am what you will be [carpe diem type motto on a gravestone] |
| Pro tempore | for the time being |
| Cogito, ergo sum | I think therefore I am |
| Nihil de nihilo fit | Nothing comes from nothing |
| Pons asinorum | "The bridge of fools." A geometry problem, type of medieval SAT question; anything that divides the capable from the incapable. |
| Ad astra per aspera | To the stars through hard work [Kansas motto] |
| Festina lente | Hurry slowly, i.e., all things need to be done at their proper pace. [Emeror Augustus' motto] |