Τὸ ἡγεμονικόν ἐστι τὸ ἑαυτὸ ἐγεῖρον καὶ τρέπον καὶ ποιοῦν μὲν ἑαυτὸ οἷον ἂν καὶ θέλῃ, ποιοῦν δὲ ἑαυτῷ φαίνεσθαι πᾶν τὸ συμβαῖνον οἷον αὐτὸ θέλει.