This is gonna be a long list.

ab intra - from within

ab origine - from the source

absit iniuria - “let insult be absent”

absit invidia - “let envy be absent”

absit omen - “let omens be absent”

ab uno disce omnes - from one, learn all.

abyssus abyssum invocat - deep calleth unto deep

a capite ad calcem - from head to heel

acta non verba - actions not words

ad altiora tendo - “I strive to higher things”

ad astra - to the stars

ad fontes - to the sources

ad meliora - towards better things

ad oculos - to the eyes

ad undas - to the waves

ad victoriam - to victory

adsum - I am here

a fortiori - from the stronger/from strength

a mari usque ad mare - from sea to sea

audeamus - let us dare

audentes fortuna iuvat - fortune favors the bold

audi, vide, tace - hear, see, be silent

beatae memoriae - of blessed memory

bona fide - in good faith

bono malum superate - overcome evil with good

capax infiniti - holding the infinite

carpe diem - seize the day

carpe noctem - seize the night

cave - beware

ceteris paribus - all other things being equal

circa - around

citius, altius, fortius - faster, higher, stronger

clavis aurea - golden key

cogito ergo sum - I think, therefor I am

compos mentis - in control of the mind

concilio et labore - by wisdom and effort

concordia cum veritate - in harmony with truth

concordia salus - well-being through harmony

coniunctis viribus - with connected strength

consummatum est - it is complete

corruptus in extremis - corrupt to the extreme

crescit eundo - it grows as it goes

de novo - from the new

de profundis - from the depths

dies irae - day of wrath

dona nobis pacem - give us peace

ego te provoco - I challenge you

esse est percipi - to be is to be perceived  

esse quam videri - to be, rather than to seem

esto quod es - be what you are

ex animo - from the soul

ex luna scientia - from the moon, knowledge

ex scientia tridens - from knowledge, sea power

ex silentio - from silence

ex undis - from the waves of the sea

experientia docet - experience teaches

fac et spera - do and hope

fac fortia et patere - do brave deed and endure

faciam quodlibet quod necesse est - I’ll do whatever it takes

faciam ut mei memineris - I’ll make you remember me

facta, non verba - deeds, not words

fortis et liber - strong and free

fortis in arduis - strong in difficulties

gloriosus et liber - glorious and free

hic abundant leones - here lions abound

hic et nunc - here and now

hic sunt dracones - here there are dragons

hinc illae lacrimae - hence those tears

hinc itur ad astra - from here the way leads to the stars

igni ferroque - with fire and iron

in memoriam - into the memory

in nocte consilium - advice comes over night

libra - balance

littera scripta manet - the written words endure

locus standi - a right to stand

luceo non uro - I shine, not burn

luctor et emergo - I struggle and emerge

mare liberum - free sea

memento vivere - remember to live

more ferarum - like beasts

natura non contristatur - nature is not saddened

nec spe, nec metu - without hope, without fear

noli me tangere - do not touch me

ophidia in herba - a snake in the grass

pro se - for oneself

propria manu - by one’s own hand

quaere - to seek

quod abundat non obstat - what is abundant does not hinder

resurgam - I shall arise

semper ad meliora - always towards better things

semper anticus - always forward

semper apertus - always open

semper fortis - always brave

semper liber - always free

stet - let it stand

tuebor - I will protect