Consensus facit legem - Consensus makes the law (Legal term)
Consensus omnium - Universal consensus
Consilio Manuque - Scholarship and Dexterity
Consolatrix aflictorum - Comforter of the afflicted (Ecclesiastical Term -Litany of the Virgin - Litany is a series of short petitions and exhortations sung or said by deacon or priest. This is one of the four that advocates Mary, the helper)
Constitutio Princeps - Principal Constitution
Consuetudinis magna vis est - Great is the power of the mind
Consuetudo quasi altera natura - Habit is second nature
Consul suffectus - Appointed Consul (Legal term)
Consummatum est - It is consumed (It is finished - Vulgate - John 19, 30)
Contemptu mundi - World contempt
Conticuere omnes intentique ora tenebant - All fell silent now, and they looked in attention (Virgil - Aeneid II, 1)
Contra factum non valet argumentum - There is no valid argument against a fact (Legal term)
Contra impugnantes Dei cultum et religionem - Against Those Who Assail the Worship of God and Religion (Book by Saint Thomas Aquinas)
Contra legem - Against the law (Legal term)
Contra naturam - Against nature (Legal and philosophical term)
Contra principia negantem non est disputandum - There is no point in arguing against a person who rejects the first principle
Contra proferentem - Against the one that makes the offer (Legal term)
Contra scriptum testimonium - Against written testimony (Legal term)
Contractus - Contract (Legal term)
Contractus est pacto duorum pluriunve in idem plactium consensus - Contract is the bilateral agreement that is accepted by both parties (Legal term)
Contractus lex - Law of the contract (Legal term)
Contradictio in terminis - Contradiction in term)
Contraria contrariis curantur - The opposite is cured with the opposite (Medical Maxim - Hippocrates - compare with "Simila similibus curantur")
Contumeliam si dices, audies - If you speak insults you will hear insults (Plautus - Pseudolus Act IV, 7)
Copia ciborum, subtilitas impeditur - The abundance of food hampers intelligence (Seneca)