Do not descend to the level of men whom envy has made blind

Neither descend to the level of men whom envy has made blind nor censure men who, although they do no actual harm to their pupils are less able to benefit them than are other teachers. Isocrates. Antidosis. Speech 15. Section 259.

Image: Old Centaur of Aristeas and Papias of Aphrodise tormented by Eros (missing). Gray-black marble, Roman copy from the Hadrian era (117-138 AD) of a Hellenistic original. Provenance: Hadrian's villa, near Tivoli, photographed at the Capitoline Museum in Rome, Italy (one of my favorite pieces there!).