On Demosthenes

Demosthenes was a prominent Greek statesman and orator of ancient Athens. His speeches exemplify the pinnacle of Greek oratory for general intellectual prowess, form, content—and delivery.
Plutarch has this to say about Demosthenes:
“Hereupon he built himself a place to study in underground (which was still remaining in our time), and hither he would come constantly every day to form his action and to exercise his voice; and here he would continue, oftentimes without intermission, two or thr...