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Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη → The first and best victory is to conquer self.
jocatio jocationis N F :: joke, jest
jŏcātĭō,¹⁶ ōnis, f. (jocor), badinage, plaisanterie : Cic. Fam. 9, 16, 7 ; Att. 2, 8, 1.