What are some well-known Latin phrases?

Answer:
tempus fugit = Time flies
Quis custodiet ipsos custodies = who watches the watchers (who supervises the supervisors)
Veni, vidi, vici (I came, I saw, I conquered)
cogito ergo sum (I think therefore I exist)
sic transit Gloria mundi (thus passes the glory of the world)
dulce et decorum pro patria mori est (it is sweet and good to die for your country)
Per aspera ad astra (Through hardships to the stars)
First answer by Plucas. Last edit by GarryL91. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 3 [recommend question].