When Ricky Gervais Meets Socrates: A Lesson on the Limits of Knowledge

Socrates was taken aback when the Oracle of Delphi said there was none wiser than he. Not believing the Oracle, Socrates went on an exhaustive hunt for a person wiser than himself, but came up empty. Why? Because everyone he met thought that, because he knew his own craft really well, he knew everything really well.