207. The Emperor asked for a luminary among the sages to be sent. R. Meir was sent to the Emperor as being one who lit up the world with his wisdom. He was asked various questions about swine and why they are called “Hazirini". He explained that the name “hazir” means“ returning” i. e. profit to the owner but that the profit of them who keep aloof from any creeping and unclean thing was far greater.