Pace tua - With your consent

　　Pace - By leave of

　　Pacta sunt servanda - Agreements are to be kept. (Cicero)

　　Pactum serva - Keep the faith

　　Pallida mors - Pale Death. (Horace)

　　Palmam qui meruit ferat - Let him who has earned it bear the reward

　　Panem et circenses - Bread and circuses. Food and games to keep people happy. (Juvenalis)

　　Par pare refero - I return like for like tit for tat retaliation

　　Parens patriae - Parent of the country

　　Pares cvm paribvs - Like persons with like persons. Birds of a feather flock together

　　Pari passu - With equal pace - moving together

　　Pars maior lacrimas ridet et intus habet - You smile at your tears but have them in your heart. (Martialis)

　　Particeps criminis - Partner in crime

　　Parturient montes, nascetur ridiculus mus - Mountains will be in labour, and an absurd mouse will be born. (all that work and nothing to show for it)

　　Parva leves capiunt animas - Small things occupy light minds (small things amuse small minds)

　　Parva scintilla saepe magnam flamam excitat - The small sparkle often initiates a large flame

　　Passim - All through

　　Pater familias - Father of the family

　　Pater historiae - The father of history

　　Pater Noster - Our Father (The first words of the Lord's Prayer in Latin)

　　Pater patriae - Father of the country

　　Patria est communis omnium parens - Our native land is the common parent of us all. (Cicero)

　　Patris est filius - He is his father's son

　　Paucis verbis, quid est deconstructionismus? - What, in a nutshell, is deconstructionism?

　　Paucis verbis - In a few words

　　Pavesco, pavesco - I'm shaking, I'm shaking

　　Pavpertas omnivm artivm repertrix - Poverty [is the] inventor of all the arts necessity is the mother of invention

　　Pax et bonum! - Peace and salvation!

　　Pax tecum - May peace be with you (Singular)

　　Pax vobiscum - May peace be with you (Plural)

　　Pax - Peace

　　Peccatum tacituritatis - Sin of silence

　　Peccavi - I have sinned

　　Peculium - Property

　　Pecunia in arbotis non crescit - Money does not grow on trees

　　Pecunia non olet - Money has no smell. Money doesn't stink. (don't look a gift horse in the mouth) (Vespasianus)

　　Pecvniate obedivnt omnia - All things obey money. Money makes the world go round

　　Pede poena claudo - Punishment comes limping. Retribution comes slowly, but surely. (Horace)

　　Pendente lite - While a suit is pending

　　Penetalia mentis - The innermost recesses of the mind. Heart of hearts

　　Per accidens - By Accident

　　Per angusta in augusta - Through difficulties to great things

　　Per annum (p.a.) - Yearly

　　Per ardua ad astra - Through difficulties to the stars

　　Per aspera ad astra - Through the thorns to the stars

　　Per capita - Per head

　　Per cent (per centum) - Per hundred

　　Per contra - On the contrary

　　Per diem - Per day; daily allowance

　　Per fas et nefas - Through right or wrong

　　Per impossibile - As is impossible a way to qualify a proposition that cannot ever be true

　　Per mensem - Monthly

　　Per procurationem (per pro) - By delegation to

　　Per se - By or in itself

　　Per varios usus artem experientia fecit - Through different exercises practice has brought skill. (Manilius)

　　Perfer et obdura; dolor hic tibi proderit olim - Be patient and tough; some day this pain will be useful to you. (Ovid)

　　Periculum in mora - There is danger in delay. (Livy)

　　Perpetuo vincit qui utitur clementia - He is forever victor who employs clemency. (Syrus)

　　Perpetuum mobile - Perpetual motion

　　Perscriptio in manibus tabellariorum est - The check is in the mail

　　Persona (non) grata - (un)welcome person

　　Pessimum genus inimicorum laudantes - Flatterers are the worst type of enemies

　　Pessimus inimicorum genus, laudantes - The worst kind of enemies, those who can praise. (Tacitus)

　　Petitio principii - An assumption at the start

　　Philosophum non facit barba! - The beard does not define a philosopher. (Plutarch)

　　Pictor ignotus - Painter unknown

　　Pinxit - He/she painted it

　　Pistrix! Pistrix! - Shark! Shark!

　　Placebo - I will please. Medical expression for remedies with no medical effect, which improve one's medical condition only because one believes they do

　　Placet - It pleases

　　Pleno iure - With full authority

　　Pluralitas non est ponenda sine neccesitate - Entities should not be multiplied unnecessarily

　　Plusque minusque - More or less

　　Plvres crapvla qvam gladivs - Drunkeness [kills] more than the sword. As true today on the road as it ever was

　　Poeta nascitur, non fit - The poet is born, not made

　　Poli, poli, di umbuendo - Slowly, Slowly we will get there

　　Pone ubi sol non lucet! - Put it where the sun don't shine!

　　Posse (posse comitatus) - The power of the country

　　Possunt quia posse videntur - They can because they think they can

　　Post bellum - After the war

　　Post coitem - After sexual intercourse

　　Post factum - After the fact

　　Post hoc ergo propter hoc - After this, therefore because of this

　　Post hoc - After this

　　Post meridiem (p.m.) - After midday

　　Post mortem - After death. (nowadays, the autopsy performed by a coroner)

　　Post obitum - After death

　　Post partum - After childbirth

　　Post proelia praemia - After the battles come the rewards

　　Post scriptum (ps) - After what has been written

　　Post tenebras lux - After the darkness, light

　　Postatem obscuri lateris nescitis - You do not know the power of the dark side

　　Potes currere sed te occulere non potes - You can run, but you can't hide

　　Potest ex casa magnus vir exire - A great man can come from a hut. (Seneca)

　　Potestatem obscuri lateris nescis - You don't know the power of the dark side. (Star Wars)

　　Potius mori quam foedari - Rather to die than to be dishonoured (death before dishonour)

　　Potius sero quam numquam - It's better late than never. (Livy)

　　Praemonitus, pramunitus - Forewarned, forearmed

　　Praetio prudentia praestat - Prudence supplies a reward

　　Prehende uxorem meam, sis! - Take my wife, please!

　　Prescriptio in manibus tabellariorium est - The check is in the mail

　　Pretium iustum est - The Price is Right

　　Prima facie - At first sight; on the face of it. (in law, an obvious case that requires no further proof)

　　Primum mobile - Prime mover

　　Primum non nocere - The first thing is to do no harm. (Hippocratic oath)

　　Primum viveri deinde philosophari - Live before you philosophize, or Leap before you look

　　Primus inter pares - First among equals

　　Principiis obsta - Resist the beginnings

　　Pro bono (pro bono publico) - For the good of the public

　　Pro di immortales! - Good Heavens!

　　Pro et contra - For and against

　　Pro forma - As a matter of formality

　　Pro hac vice - For this occaision

　　Pro memoria - For a memorial

　　Pro nunc - For now

　　Pro opportunitate - As circumstances allow

　　Pro patria - For one's country

　　Pro rata - In proportion to the value. (per hour for example)

　　Pro re nata (prn) - For an occasion as it arises

　　Pro se - On one's own behalf

　　Pro tanto - So far

　　Pro tempore (pro tem.) - For the time being

　　Probae esti in segetem sunt deteriorem datae fruges, tamen ipsae suaptae enitent - A good seed, planted even in poor soil, will bear rich fruit by its own nature. (Accius)

　　Probatum est - It has been proved

　　Probitas laudatur et alget - Honesty is praised and left in the cold. (Juvenal)

　　Promotor fidei - Promoter of the faith

　　Promoveatur ut amoveatur - Let him be promoted to get him out of the way

　　Propino fibi salutem! - Cheers!

　　Proprium humani ingenii est odisse quem laeseris - It is human nature to hate a person whom you have injured

　　Proxime accessit - He/she came close

　　Proximo (prox.) - Of the next month

　　Proximus sum egomet mihi - I am closest to myself. (Charity begins at home.) (Terence)

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

　　Pulvis et umbra sumus - We are dust and shadow. (Horace)

　　Purgamentum init, exit purgamentum - Garbage in, garbage out

　　Puris omnia pura - To the pure all things are pure

　　Puri sermonis amator - A lover of pure speech. (Terence)