Sextus Empiricus (c. 160-210 AD), was a physician and philosopher, and has been v reported to have lived in Alexandria, Rome, or Athens. Sextus believed in Pyrrhonean skepticism which said that we should suspend judgment about virtually all beliefs, that is, we should neither affirm any belief as true nor deny any belief as false. Sextus Empiricus and Greek Scepticism is a thesis for the PhD program at the University of Bern written in 1897. Mary Patrick was President of the American College, Constantinople, Turkey. The aim of this thesis has been to give a concise presentation of Pyrrhonism in relation to its historical development and the skepticism of the Academy, with critical references to the French and German works existing on the subject