It is impossible, men of Athens, impossible to gain permanent power by injustice, perjury, and falsehood.
οὐ γὰρ ἔστιν, οὐκ ἔστιν, ὦ ἄνδρες Ἀθηναῖοι, ἀδικοῦντα καὶ ἐπιορκοῦντα καὶ ψευδόμενον δύναμιν βεβαίαν κτήσασθαι.
Original text (Ancient Greek)
Notes from Wikiquote
For it is not, no, Athenians! it is not possible to found a lasting power upon injustice, perjury, and treachery.
Variants
(T. Leland, 1756)