Saltus in demonstrando
leap in explaining

Salus in arduis
a stronghold (or refuge) in difficulties

Salus populi suprema lex esto
the welfare of the people is to be the highest law

Salva veritate
with truth intact

Salvator Mundi
Savior of the World

Salvo errore et omission
save for error and omission

Salvo honoris titulo
Addressing oneself to someone whose title is unknown

Sancta Sedes
Holy Chair

Sancta simplicitas
holy innocence

Sancta et sapienter
in a holy and wise way

Sapere aude

Dare to know

Sapiens qui prospicit
wise is he who looks ahead

Sapienti sat
enough to the wise

Sapiential et doctrina
wisdom and learning

Sapiential et veritas
wisdom and truth

Sapiential et eloquentia
wisdom and eloquence

Sapiential et virtus
wisdom and virtue

Sapiential melior auro
wisdom is better than gold

Sapiential, pax fraternitas
Wisdom, Peace, Fraternity

Sat celeriter fieri quidquid fiat satis bene
That which has been done well has been done quickly enough

Scientia ac labore
By/From/With knowledge and labour

Scientia, aere perennius
knowledge, more lasting than bronze

Scientia cum religione
religion and knowledge united

Scientiae cedit mare
The sea yields to knowledge

Scientiae et patriae
For science and fatherland

Scientia et labor
knowledge and work

Scientia et sapiential
knowledge and wisdom

Scientia imperii decus et tutamen
knowledge is the adornment and protection of the Empire

Scientia ipsa potential est
knowledge itself is power

Scientia vincere tenebras
conquering darkness by science

Scilicet
it is permitted to know

Scio
I know

Scio me nihil scire
I know that I know nothing

Scire quod sciendum
knowledge which is worth having

Scribimus indocti doctique poemata passim
Each desperate blockhead dares to write

Scuto amoris divini
by the shield of God's love

Secuo seculorum
forever and ever

Sed ipse spiritus postulat pro nobis, gemitibus inenarrabilibus
But the same Spirit intercedes incessantly for us, with inexpressible groans

Sed terrae graviora manent
But on earth, worse things await

Sede vacante
with the seat being vacant

sedes incertae
seat (i.e. location) uncertain

sedet, aeternumque sedebit
seat, be seated forever

semel in anno licet insanire
once in a year one is allowed to go crazy

semper ad meliora
always towards better things

semper anticus
always forward

semper apertus
always open

semper ardens
always burning

semper eadem
Ever the same

semper excelsius
always higher

semper fidelis
always faithful

semper fortis
always brave

semper idem
always the same

semper in excretia sumus solim profundum variat
We're always in the manure; only the depth varies

Semper invicta
always invincible

Semper instans
always threatening

Semper necessitas probandi incumbit ei qui agit
the necessity of proof always lies with the person who lays charge

Semper liber
always free

Semper paratus
always prepared

Semper primus
always first

Semper progrediens
Always progressing

Semper reformanda
always in the need of being reformed

Semper sursum
always aim high

Semper vigilans
always vigilant

Semper vigilo

Always vigilant

Sensu lato
with the broad, or general meaning

Sensu stricto
with the tight meaning

Sensu plenior
in the fuller meaning

Sequere pecuniam
follow the money

Sermo Tuus Veritas est

Thy word is truth

Sero venientibus ossa
those who are late get bones

Servabo fidem
keeper of the faith

Serviam
I will serve

Servus servorum dei
servant of the servants of God

Sesquipedalian verba
words a foot and a half long

Si monumentum requires circumspice
If you seek (his) monument, look around yo

Si non oscillas, noli tintinnare
If you can't swing, don't ring

Si omnes... ego non
if all ones... not I

Si peccasse negamus fallimur et nulla est in nobis veritas
if we deny having made a mistake, we are deceived and there's no truth in us

Si quaeris peninsulam amoenam circumspice
if you seek a delightful peninsula, look around

Si quid novisti rectius istis, candidus imperti; si nil, his utere mecum
if you can better these principles, tell me; if not, join me in following them

Si tacuisses, philosophus mansisses
If you had kept your silence, you would have stayed a philosopher

Si vales valeo
if you are well, I am well

Si vis Amari ama
if you want to be loved, love

Si vis pacem, para bellum
if you want peace, prepare for war

Sic
thus

Sic currite ut comprehendatis
Run to win

Sic et non
thus and not

Sic gorgiamus allos subjectatos nunc
we gladly feast on those who would subdue use

Sic infit
so it begins

Sic itur ad astra
thus you shall go to the stars

Sic parvis magna
greatness from small beginnings

Sic passim
thus here and there

Sic semper erat, et sic semper erit
Thus has it always been and thus shall it ever be

Sic semper tyrannis
thus always to tyrants

Sic transit Gloria mundi
thus passes the glory of the world

Sic utere tuo ut alienum non laedas
use [what is] yours so as not to harm [what is] of others

Sic vita eset
thus is life

Sidere mens eadem mutate
though the constellations change, the mind is universal

Signetur
let it be labelled

Signum fidei
sign of faith

Silentium est aureum
Silence is golden

Similia similibus curantur
similar things take care of similar things

Similia similibus solvuntur
similar substances will dissolve similar substances

Simplex sigillum very
simplicity is the sign of truth

Sine anno
without a year

Sine die
without a day

Sine ira et studio
without anger and fondness

Sine honoris titulo
without honorary title

Sine labore non erit panis in ore
without labour there will be no bread in mouth

Sine loco
without a place

Sine metu
without fear

Sine nomine
without a name

Sine poena nulla lex
without penalty, there is no law

Sine prole
Without offspring

Sine prole superstite
without surviving children

Sine timore aut favour
without fear or favour

Sine qua non
without which not

Sine remediis medicina debillis est
without remedies medicine is powerless

Sine scientia ars nihil est
without knowledge, skill is nothing

Sisto activitatem
I cease the activity

Sit nomine digna
may it be worthy of the name

Sit sine labe decus
let honour stainless be

Sit tibi terra levis
may the earth be light to you

Sit venia verbo
may there be forgiveness for the word

Sol iustitiae illustra nos
sun of justice, shine upon us

Sol lucet omnibus
the sun shines on everyone

Sol omnia regit

The sun rules over everything

Sola fide
by faith alone

Sola dosis facit venemum
the dose makes the poison

Sola gratia
by grace alone

Sola lingua bona est lingua mortua
the only good language is a dead language

Sola scriptura
by scripture alone

Sola nobilitat virtus
virtue alone ennobles

Solamen miseris socios habuisse doloris
misery loves company

Soli deo Gloria
glory to god alone

Solus Christus
Christ alone

Solus ipse
I alone

Solvitur ambulando
it is solved by walking

Spartam nactus es; hanc exorna
your lot is cast in Sparta, be a credit to it

Specialia generalibus derogant
special departs from general

Species nova
new species

Speculum speculorum
mirror of mirrors

Spem gregis
the hope of the flock

Spem reduxit
he has restored hope

Spero meliora
I hope for better things

Spes bona
good hope

Spes vincit thronum
hope conquers (overcomes) the throne

Spiritus mundi
spirit of the world

Spiritus ubi vult spirat
the spirit spreads wherever it wants

Splendour sine occasu
brightness without setting

Stamus contra malo
we stand against by evil

Stante pede
With a standing foot

Stare decisis
to stand by the decided things

Stat sua cuique dies
There is a day [turn] for everybody

Statim
immediately

Statio bene fide carinis
a safe harbour for ships

Status quo
the situation in which

Status quo ante bellum
the state before the war

Stet
let it stand

Stet fortuna domus
let the fortune of the house stand

Stipendium peccati mors est
the reward of sin is death

Strenuis ardua cedunt
the heights yield to endeavour

Stricto sensu
with the tight meaning

Stupor mundi
the wonder of the world

Sua sponte
by it's own accord

Sub anno
under the year

Sub cruce lumen
the light under the cross

Sub divo
under the wide open sky

Sub finem
toward the end

Sub love frigido
under cold Jupiter

Sub judice

Und a judge

Sub poena
under penalty

Sub rosa

Under the rose

Sub nomine
under the name

Sub silentio
under silence

Sub specie aeternitatis
under the sight of eternity

Sub specie Dei
under the sight of God

Sub tuum praesidium
beanth thy compassion

Sub umbra florea
under the shade I flourish

Sublimis ab unda
Raised from the waves

Subsiste sermonem statim
stop speaking immediately

Succisa virescit
cut down, we grow back stronger

Sui generis
of its own kind

Sui iuris
of one's own right

Sum quod eris
I am what you will be

Sum quod sum
I am what I am

Summa cum laude
with highest praise

Summa potestas
sum or totality of power

Summa summarum
all in all

Summum bonum
the supreme good

Summum ius, summa iniuria
supreme law, supreme injustice

Sunt lacrimae rerum
there are tears for things

Sunt omnes unum
they are all one

Sunt pueri pueri pueri puerilia tractant
Children are children, and children do childish things

Suo jure
in one's own right

Suo motu
upon one's initiative

Suos cultores scientia coronat
knowledge crows those who seek her

Super firum fundamentum dei
On the firm foundation of God

Super fornicam
on the lavatory

Superbia in proelia
pride in battle

Supero omnia
I surpass everything

Surdo oppedere
to belch before the deaf

Surgam
I shall rise

Sursum corda
Lift up your hearts

Sutor, ne ultra crepidam
Cobbler, no further than the sandal!

Suum cuique tribuere
to render to every man his due