Socrates having established that there are no teachers or students of virtue, Meno wonders whether there are any good men at all, or if there are good men,  how they come about. It is the second question which Socrates begins to answer by returning to an apparent mistake they had made much earlier in claiming that people act correctly and well only when episteme (knowledge/understanding) is guiding. 

Here I read through Platonic dialogues, translating and commenting on the Greek text as I go.

The resulting analyses may be found at:
https://theplatoparadigm.com

The full analyses include Euthyphro, Io, Hippias Minor, and Lysis, with extract/summaries from my books on Hippias Major, Meno, and Politeia (Republic)