hic Rhodus hic saltus
hic Rhodus hic saltus (Latin) — Here is Rhodes, jump here! In Aesop's fable, a boastful athlete brags that he once achieved a stupendous long jump in competition on the island of Rhodes. A bystander challenges him to diregard the reports of the witnesses and simply repeat his accomplishment on the spot: "Here is Rhodes, jump here!"
It means then, prove what you can do, here and now.
hic Rhodus hic saltus — Ιδού η Ρόδος, ιδού και το πήδημα.