Abstract The five modes are a list of tools used by ancient sceptics to guide dogmatic people towards suspending their judgement. Attributed to Agrippa (of uncertain date) and used extensively by Sextus Empiricus (2nd or 3rd century CE). these modes are still widely discussed today by epistemologists and specialists in ancient philosophy. Scholars disagree. https://www.earthtoyes.shop/product-category/goki/