evidence: - ^ Popper accuses Plato of betraying Socrates. He was not the first to do so. Thomas Jefferson made the same statement in a letter to his friend John Adams in 1814, "Socrates had reason indeed to complain of the misrepresentations of Plato; for in truth his dialogues are libels on Socrates." (Jefferson, Thomas. "To John Adams Monticello, July 5, 1814". University of Groningen.)