This apparently simple solution, however, does not quite succeed in reconciling the profound nature of this concern: how can we recognize it, can we say that it is a true knowledge, or is it perhaps something entirely different from what was initially assumed? This raises several layers of questions: How do we learn? How do we know what we already know? How do we know that we know? These are a series of questions that Plato seeks to answer with his “Theory of Memory”. The “theory of remembrance” is described by Socrates in Plato's dialogues Meno and Phaedo. Socrates first introduces it in Meno's dialogue during a demonstration using one of Meno's servants. Socrates guides the servant