Carpe Diem! Ad hoc! Mea Culpa! Bona Fide! Ad Nauseam! De Facto! Ergo! Cum Laude! Modus Operandi! Per Se! Sine Qua Non! Vice Versa! Etc.!
Latin scholar or not, so many expression in our daily life are straight from Latin and they are GOOD! Short and to the point, like the Romans themselves…
Original Roman inscription “Senatus Populusque Romanus”, The Senate and People of Rome (great font too!)
So why is Latin so enduring despite it being a dead language? It served as the universal language until the 17th century when it was gazumped by French, which was in turn gazumped by English in the mid-20th century (the French are still not over that, but that is another subject!).