Sextus Empiricus
Links
Sextus Empiricus's Outlines of Pyrrhonism
http://www.angelfire.com/md2/timewarp/skepticism.html
Outlines of Pyrrhonism was the work of Sextus Empiricus (fl. c. 200 C.E.) a Greek philosopher who lived in Alexandria and in Athens.
Sextus Empiricus and the Principles of Skepticism
http://www.historyguide.org/ancient/skepticism.html
Brief page describing the ideas of ancient Greek skepticism according to Sextus Empiricus.