  Sextus’ presentation of the Five Modes is brief and elliptical, which is much to be regretted, since philosophically they are the most interesting of all the modes. They are attributed here to ‘the more recent Skeptics’, but Diogenes Laërtius tells us that the modes were invented by Agrippa (DL IX 88), who probably lived at the end of the first century BCE. Here is the complete text of Sextus’ presentation (PH I 164–9):