When a man from Megara boasted greatly about his city, Agesilaus said, ‘Young man, your words need a great power to back them.’ 1
1 The remark is usually attributed to Lysander; cf. Plutarch's Life of Lysander, chap. xxii. (445 D); Moralia, 71 E, 190 E, supra, 229 C, infra. Themistius, Oration xxvii. 334 C. The idea was originally expressed by Adeimantus to Themistocles in Herodotus, viii. 61.

