Although Socrates —who was the main character in most of Plato 's dialogues—was a genuine historical figure, it is commonly understood that in later dialogues Plato used the character of Socrates to give voice to his own philosophical views.
Philosophers’ claims that by reflecting on itself thought reliably reveals our nature, grounds knowledge, gives us free will, endows our behavior with moral value, are all challenged. And the threat doesn’t stem from some tendentious scientistic worldview. It emerges from the detailed understanding of the mind that cognitive science and neuroscience are providing.
Consciousness is composed of information that says, in effect, “This information is not information.” In describing itself as something else, as a fluidic substance, as an experience, as sentience, it is declaring itself not to be information. It is self-contradictory information.