Saepe creat molles aspera spina rosas - Often the prickly thorn produces tender roses. (Ovid)

　　Saepe ne utile quidem est scire quid futurum sit - Often it is not even advantageous to know what will be. (Cicero)

　　Saepe stilum vertas - May you often turn the stylus (You should make frequent corrections.)

　　Salus populi suprema lex - The safety of the people is the supreme law. (Cicero)

　　Salva veritate - With truth preserved

　　Salve (plural salvete) - Hail; welcome

　　Salve sis - May you be well

　　Salve veritate - Saving the truth

　　Salve(te) - Greetings!

　　Salve - Hello

　　Sanctum sanctorum - The holy of holies

　　Sane ego te vocavi. forsitan capedictum tuum desit - I did call. Maybe your answering machine is broken

　　Sapere aude! - Dare to be wise! (Horace)

　　Sapiens nihil affirmat quod non probat - A wise man states as true nothing he does not prove (don't swear to anything you don't know firsthand)

　　Sartor resartus - The tailor patched

　　Sat sapienti - Enough for a wise man. (Plautus)

　　Satis - Enough

　　Satius est impunitum relinqui facinus nocentis, quam innocentem damnari - It is better that a crime is left unpunished than that an innocent man is punished. (Corpus Iuris Civilis)

　　Scala Caeli - The ladder of heaven

　　Scala naturae - The ladder of nature

　　Scandalum magnatum - Scandal of magnates

　　Schola cantorum - School of singers

　　Scientia est potentia - Knowledge is power

　　Scientia non habet inimicum nisp ignorantem - Science has no enemies but the ignorants

　　Scilicet (sc.) - That is to say

　　Scio cur summae inter se dissentiant! Numeris Romanis utor! - I know why the numbers don't agree! I use Roman numerals!

　　Scio me nihil scire - I know that I know nothing. Certain knowledge cannot be obtained. (Socrates)

　　Scire tuum nihil est, nisi te scire hoc sciat alter - Your knowledge is nothing when no one else knows that you know it

　　Sciri facias - Cause (him) to know

　　Scito te ipsum - Know yourself

　　Scribere est agere - To write is to act

　　Scripsit - He/she wrote it

　　Sculpsit - He/she engraved it

　　Sed quis custodiet ipsos custodes? - Who watches the watchmen? (Juvenal)

　　Sedit qui timuit ne non succederet - He who feared he would not succeed sat still. (For fear of failure, he did nothing.) (Horace)

　　Semper fidelis - Always faithful

　　Semper idem - Always the same thing. (Cicero)

　　Semper inops quicumque cupit - Whoever desires is always poor. (Claudian)

　　Semper letteris mandate - Always get it in writing!

　　Semper paratus - Always prepared

　　Semper superne nitens - Always striving upwards

　　Semper ubi sub ubi ubique - Always wear underwear everywhere

　　Senatus Populusque Romanus (SPQR) - The Senate and the Roman people

　　Sensu lato - Broadly speaking

　　Sensu stricto - Strictly speaking

　　Sensu stricto, nullo metro compositum est - Strictly speaking, it doesn't rhyme

　　Sentio aliquos togatos contra me conspirare - I think some people in togas are plotting against me

　　Sequens (seq.) - The following (one)

　　Sequens mirabitur aetas - The following age will be amazed

　　Sequentia (seqq.) - The following (ones)

　　Seriatim - One after another in order

　　Serva me, servabo te - Save me and I will save you. (Petronius Arbiter)

　　Si Deus pro nobis quis contra nos - If God is with us who is against us

　　Si fallatis officium, quaestor infitias eat se quicquam scire de factis vestris - If you fail, the secretary will disavow all knowledge of your activities

　　Si fecisti nega! - If you did it, deny it (stonewall!)

　　Si finis bonus est, totum bonum erit - If the end is good, everything will be good (all's well that ends well)

　　Si fractum non sit, noli id reficere - If it ain't broke, don't fix it

　　Si hoc legere scis nimium eruditionis habes - Essentially it says, 'if you can read this, you're overeducated.'

　　Si hoc non legere potes tu asinus es - If you can't read this, you're an ass

　　Si minor plus est ergo nihil sunt omnia - If less is more, then nothing is everything

　　Si monumentum requiris circumspice - If you seek a monument, look around

　　Si post fata venit gloria non propero - If glory comes after death, I'm not in a hurry (if one must die to be recognised, I can wait)

　　Si sapis, sis apis - If you are wise, be a bee

　　Si tacuisses, philosophus manisses - If you had kept quiet, you would have remained a philosopher. (Boethius)

　　Si tu id aeficas, ei venient. Ager somnia - If you build it, they will come

　　Si vis amari, ama - If you wish to be loved, love. (Seneca)

　　Si vis pacem, para bellum - If you want peace, prepare for the war. (Vegetius)

　　Sic ad nauseam - And so on to the point of causing nausea

　　Sic erat in fatis - So it was fated

　　Sic faciunt omnes - Everyone is doing it

　　Sic friatur crustum dulce - That's the way the cookie crumbles

　　Sic itur ad astra - Such is the path to the stars (i.e. Gain reputation) (Vergil)

　　Sic passim - Thus everywhere

　　Sic semper tyrannis - Thus always to tyrants - a statement often accompanying a regicide

　　Sic transit gloria mundi - So passes the glory of the world

　　Sic volo, sic iubeo - I want this, I order this. (Juvenalis)

　　Sic - Thus, just so

　　Silent enim leges inter arma - Laws are silent in times of war. (Cicero)

　　Simia quam similis, turpissimus bestia, nobis! - How like us is that very ugly beast the monkey. (Cicero)

　　Simplex munditiis - Unaffected by manners. (Horace)

　　Simpliciter - Naturally; without qualification

　　Sine cura - Without a care

　　Sine die - Without a day (indefinitely)

　　Sine ira et studio - Without anger or bias. (Tacitus)

　　Sine loco (sl) - Without place

　　Sine nobilitatis - Without nobility (SNOB)

　　Sine prole (sp) - Without issue

　　Sine qua non - Something/someone indispensable

　　Sine sole sileo - Without the sun I'm silent. (sundial inscription)

　　Siste, viator - Wait, traveler - inscription on Roman tombstones

　　Sit tibi terra levis - May the earth be light upon you - tombstone inscription

　　Sit vis vobiscum - May the Force be with you. (Star Wars)

　　Sobria inebrietas - Sober intoxication

　　Sol omnibus lucet - The sun shines upon us all. (Petronius)

　　Sola lingua bona est lingua mortua - The only good language is a dead language

　　Solitudinem fecerunt, pacem appelunt - They made a desert and called it peace. (Tacitus)

　　Solum potestis prohibere ignes silvarum - Only you are can prevent forest fires

　　Sona si latine loqueris - Honk if you speak Latin

　　Sotto voce - In soft voice

　　Spectaculorum procedere debet - The show must go on

　　Spectatvm venivnt, venivnt spectentvr vt ipsae - They come to see, they come that they themselves be seen 'to see and be seen

　　Spemque metumque inter dubiis - Hover between hope and fear. (Vergil)

　　Spero melior - I hope for better things

　　Spero nos familiares mansuros - I hope we'll still be friends

　　Spiritus asper - Rough breathing

　　Spiritus lenis - Smooth breathing

　　Splendide mendax - Splendidly false. (Horace)

　　Splendor sine occasu - Splendour without end

　　Stabat Mater - The mother was standing

　　Stare decisis - To stand by things decided

　　Status quo - The current state of being

　　Stercus accidit - Shit happens

　　Stet - Let it stand

　　Struit insidias lacrimis cum femina plorat - When a woman weeps, she is setting traps with her tears. (Dionysius Cato)

　　Studium discendi voluntate quae cogi non potest constat - Study depends on the good will of the student, a quality which cannot be secured by compulsion

　　Stultior stulto fuisti, qui tabellis crederes! - Idiot of idiots, to trust what is written!

　　Stultorum calami carbones moenia chartae - Chalk is the pen of fools, walls (their) paper No Graffiti please. Showing that graffiti is nothing new

　　Stultorum infinitus est numerus - Infinite is the number of fools. (Bible)

　　Stultum est timere quod vitare non potes - It is foolish to fear that which you cannot avoid. (Publilius Syrus)

　　Stultus est sicut stultus facit - Stupid is as stupid does

　　Sua cuique voluptas - Everyone has his own pleasures

　　Sub dio - Under the open sky

　　Sub iudice - Under a judge

　　Sub judice - Before a court

　　Sub lite - In dispute

　　Sub poena - Under penalty of law

　　Sub rosa - Under the rose. Secretly or in confidence

　　Sub secreto - In secret

　　Sub silentio - In silence

　　Sub sole nihil novi est - There's nothing new under the sun

　　Sub voce (sv) - Under the voice

　　Subucula tua apparet - Your slip is showing

　　Suggestio falsi - Suggestion of something false

　　Suggestio veri, suggestio falsi - An intimation of truth, an intimation of falcity

　　Sui generis - Of his/her/its kind

　　Sui iuris - Of one's own right

　　Sum, ergo edo - I am, therefore I eat

　　Summa cum laude - With highest honor

　　Summam scrutemur - Let's look at the bottom line

　　Summum bonum - The highest good

　　Summum ius, summa iniuria - The extreme law is the greatest injustice. (Cicero)

　　Sumptus censum ne superet - Let not your spending exceed your income (live within your means)

　　Sunt lacrimae rerum et mentem mortalia tangunt - These are the tears of things, and our mortality cuts to the heart. (Vergil)

　　Sunt pueri pueri, puerilia tractant - Children are children, (therefore) children do childish things

　　Suntne vacci laeti - Are your cows happy?

　　Suo iure - In one's own right

　　Suo jure - In one's rightful place

　　Suos cuique mos - Everyone has his customs. (Gellius)

　　Supra - Above or on an earlier page

　　Sursum corda - Lift up your hearts (to God)

　　Suum cuique pulchrum est - To each his own is beautiful. (Cicero)

　　Svi generis - Of its own kind unique