ὕπαρνος γάρ τις ὥς

From LSJ

Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.

Plato, Laws, 626e

Greek > English (Woodhouse)

like a ewe suckling her lamb