"When Diogenes of Sinope was sold as a slave, he endured it most nobly. For on a voyage to Aegina he was captured by pirates under the command of Scirpalus, conveyed to Crete and exposed for sale. When the auctioneer asked in what he was proficient, he replied, "In ruling men." Thereupon he pointed to a certain Corinthian with a fine purple border to his robe, the man named Xeniades above-mentioned, and said, "Sell me to this man; he needs a master.""