有高手知道苏格拉底的名言的希腊原文是什么吗？

Socrates wrote nothing. Most of what we know about him has been preserved by three of his famous younger contemporaries, Aristophanes, Xenophon, and, most improtantly, Plato. From these sources Socrates emerges as an intense genius who, along with extraordinary rational rigor, possessed a personal warmth and a fondness for humor. He was a robust man with great powers of physical endurance. In his playful comedy, The Clouds, Aristophanes depicts Socrates as a strutting waterfowl, poking fun at his habit of rolling his eyes and referring impishly to his “pupils” and “thinking shop.” From Xenophon comes the portrait of a loyal soldier who has a passion for discussing the requirements of morality and who inevitably attracted the younger people to seek out his advice. Plato confirms this general portrait and in addition pictures Socrates as a man with a deep sense of mission and absolute moral purity. In the Symposium, Plato relates how Alcibiades, a fair youth, expected to win the amoro