Note 1373 — PERSIUS.

Arcesilas was a native of Pitane, in Æolis. After studying at Sardis under Autolycus, the mathematician, he came to Athens, and became a disciple of Theophrastus, and afterward of Crantor. He was the founder of the Middle Academy. Diog. Laert., Proœm., x., 14. Liv., iv., c. vi. He maintained that "nothing can be known," and is hence called "Ignorantiæ Magister." Lactant., III., v., 6. His doctrine is stated, Cic., de Orat., iii, 18. Acad., i, 12.