Thorsrud, Harald (2009). Ancient Scepticism. Stocksfield [U.K.]: Acumen. pp. 120-121. ISBN978-1-84465-409-3. OCLC715184861. «Pyrrhonism, in whatever form it might have taken after Timon's death in 230 BCE, was utterly neglected until Aenesidemus brought it back to public attention».
Thorsrud, Harald (2009). Ancient scepticism. Stocksfield [U.K.]: Acumen. p. 45. ISBN978-1-84465-409-3. OCLC715184861. «So while Pyrrho's influence is significant, it does not shape the contours of Arcesilaus' scepticism nearly as much as the influence of Plato and Socrates.»
Thorsrud, Harald (2009). Ancient scepticism. Stocksfield [U.K.]: Acumen. pp. 102-103. ISBN978-1-84465-409-3. OCLC715184861. «Aenesidemus criticized his fellow Academics for being dogmatic...Aenesidemus committed his scepticism to writing probably some time in the early-to-mid first century BCE...leading Aenesidemus to dismiss them as "Stoics fighting against Stoics."».
Thorsrud, Harald (2009). Ancient scepticism. Stocksfield [U.K.]: Acumen. pp. 102-103. ISBN978-1-84465-409-3. OCLC715184861. «Aenesidemus criticized his fellow Academics for being dogmatic...Aenesidemus committed his scepticism to writing probably some time in the early-to-mid first century BCE...leading Aenesidemus to dismiss them as "Stoics fighting against Stoics."».