12. Of RHODES, a Greek grammarian, who used to hold disputations
at Rhodes every seventh day. Tiberius once wanted to hear him; but as it was not the usual day
for disputing, the grammarian bade him come again on the seventh day. Afterwards Diogenes came
to Rome, and when he asked permission to pay his homage, the emperor did not admit him, but
requested him to come again after the lapse of seven years. (