Caelum videre iussit, et erectos ad sidera tollere vultus - He bid them look at the sky and lift their faces to the stars. (Ovid)

Canis meus id comedit - My dog ate it

Canis timidus vehementius latrat quam mordet - A timid dog barks more violently than it bites. (Curtius Rufus)

Capillamentum? Haudquaquam conieci esse! - A wig? I never would have guessed!

Caro putridas es! - You're dead meat

Carpe diem - Seize the day (opportunity) (Horace)

Cave canem, te necet lingendo - Beware of the dog, he may lick you to death

Cave quid dicis, quando, et cui - Beware what you say, when, and to whom

Caveat emptor - Let the buyer beware. (He buys at his own risk.)

Certe, toto, sentio nos in kansate non iam adesse - You know, Toto, I have a feeling we're not in Kansas anymore

Certum est, quia impossibile - It is certain, because it is impossible. (Tertullianus)

Ceteris paribus - All else being equal

Cogita ante salis - Think before you leap (or look before you leap.)

Cogitationis poenam nemo patitur - Nobody should be punished for his thoughts

Cogito, ergo sum - I think, therefore I exist. (René Descartes)

Commodum ex iniuria sua nemo habere debet - No person ought to have advantage from his own wrong

Commune periculum concordiam parit - Common danger brings forth harmony

Communi consilio - By common consent

Coniecturalem artem esse medicinam - Medicine is the art of guessing. (Aulus Cornelius Celsus)

Conlige suspectos semper habitos - Round up the usual suspects

Construimus, Batuimus - We Build, We Fight (US Navy SeaBees motto)

Consuetudinis magna vis est - The force of habit is great. (Cicero)

Contraria contrariis curantur - The opposite is cured with the opposite. (Hippocrates)

Cotidiana vilescunt - Familiarity breeds contempt

Cotidie damnatur qui semper timet - The man who is constantly in fear is every day condemned. (Syrus)

Cras amet qui nunquam amavit; Quique amavit, cras amet - May he love tomorrow who has never loved before

Credidi me felem vidisse! - I tought I taw a puddy tat!

Credite amori vera dicenti - Believe love speaking the truth. (St. Jerome)

Credo nos in fluctu eodem esse - I think we're on the same wavelength

Credo quia absurdum - I believe it because it is absurd (contrary to reason)

Credo ut intelligam - I believe in order that I may understand. (St. Augustine)

Credula vitam spes fovet et melius cras fore semper dicit - Credulous hope supports our life, and always says that tomorrow will be better. (Tibullus)

Crescit amor nummi, quantum ipsa pecunia crevit - The love of wealth grows as the wealth itself grew. (Juvenalis)

Crudelius est quam mori semper timere mortem - It is more cruel to always fear death than to die. (Seneca)

Cui peccare licet peccat minus - One who is allowed to sin, sins less. (Ovid)

Culpam poena premit comes - Punishment closely follows crime as its companion. (Horace)

Cum grano salis - With a grain of salt. (Pliny the Elder?)

Cum homine de cane debeo congredi - Excuse me. I've got to see a man about a dog

Cum tacent, clamant - When they are silent, they cry out. (Their silence speaks louder than words.) (Cicero)

Cura nihil aliud nisi ut valeas - Pay attention to nothing except that you do well. (Cicero)

Cura posterior - A later concern

Cura ut valeas - Take care