Numenius is one of the most important authors who, in the Imperial Age, deal with the figure of Socrates. Socrates is important in the Platonic tradition, in particular in the sceptical tradition, when the Socratic dubitative "spirit" of the first Platonic dialogues became important to justify the "suspension of judgement." Numenius criticises the whole Academic tradition by saying that the Academics (particularly the sceptics) betrayed the original doctrine of Plato and formulated a new image of Socrates. For Numenius, Socrates plays a central role because Plato would have inherited his doctrine. What does Socrates's doctrine consist in? According to Numenius, Socrates theorised a "doctrine of three Gods" (which can be likely found in the...