οὐδέν προὔργου ἐστί

From LSJ

Πολλοὺς ὁ καιρὸς οὐκ ὄντας ποιεῖ φίλους → Occasione amicus fit, qui non fuit → Die rechte Zeit macht manchen, der's nicht ist, zum Freund

Menander, Monostichoi, 446

Greek > English (Woodhouse)

it is of no avail