Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
defection: P. ἀπόστασις, ἡ.
betrayal: P. and V. προδοσία, ἡ.