Men of Athens, you will have use of my services as a counsellor, even if you do not want them, but not as a false accuser, even if you do.
ὑμεῖς ἐμοὶ ὦ ἄνδρες Ἀθηναῖοι συμβούλῳ μέν, κἂν μὴ θέλητε, χρήσεσθε· συκοφάντῃ δ᾿ οὐδ᾿ ἂν θέλητε.
Original text (Ancient Greek)
Notes from Wikiquote
ἱστορεῖ δὲ καὶ Θεόφραστος, ὅτι τῶν Ἀθηναίων ἐπί τινα προβαλλομένων αὐτὸν κατηγορίαν, εἶθ᾿ ὡς οὐχ ὑπήκουε θορυβούντων, ἀναστὰς εἶπεν· "ὑμεῖς ἐμοὶ ὦ ἄνδρες Ἀθηναῖοι συμβούλῳ μέν, κἂν μὴ θέλητε, χρήσεσθε· συκοφάντῃ δ᾿ οὐδ᾿ ἂν θέλητε." | And also Theophrastus reports that when the Athenians proposed him (Demosthenes) for a certain prosecution and then raised a tumult because he did not accept, he rose and said, "Men of Athens, you will have use of my services as a counsellor, even if you do not want them, but not as a false accuser, even if you do." (tr. W. W. Fortenbaugh et al., 1993)