Arcesilaus had a peculiar habit while conversing of using the expression, "My opinion is," and "So and so will not agree to this.
Diogenes LaertiusWhen Thales was asked what was difficult, he said, To know one's self. And what was easy, To advise another.
Diogenes LaertiusThere are many marvellous stories told of Pherecydes. For it is said that he was walking along the seashore at Samos, and that seeing a ship sailing by with a fair wind, he said that it would soon sink; and presently it sank before his eyes. At another time he was drinking some water which had been drawn up out of a well, and he foretold that within three days there would be an earthquake; and there was one.
Diogenes Laertius