Curae leves loquuntur ingentes stupent - Slight griefs talk, great ones are speechless. (minor losses can be talked away, profound ones strike us dumb)
Curriculum vitae - The course of one's life
Cursum perficio - My journey is over, or I finish my journey

Custos morum

Guardian of morals

Da mihi basilia mille - Kiss me with a thousand kisses
Da mihi castitatem et continentiam, sed noli modo! - Make me chaste and pure, but not yet!
Da mihi sis bubulae frustrum assae, solana tuberosa in modo gallico fricta, ac quassum lactatum coagulatum crassum - Give me a hamburger, french fries, and a thick shake
Da mihi sis cerevisiam dilutam - I'll have a light beer
Da mihi sis crustum Etruscum cum omnibus in eo - I'll have a pizza with everything on it
Damnant quod non intellegunt - They condemn what they do not understand