ἀμνός
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
ὁ,
A lamb, S.Fr.751, Ar.Av.1559; ἀμνοὶ τοὺς τρόπους lambs in temper, Id.Pax935: metaph., ὁ ἀ. τοῦ θεοῦ Ev.Jo.1.36: fem. (cf. ἀμνή, ἀμνίς), Theoc.5.144,149, AP5.205.—Oblique casesusu. formed from ἀρήν, q. v. (For ἀβνός, i.e. agynos, cf. Lat. agnus.)