Know thyself.These words were inscribed in the vestibule of the Temple of Apollo at Delphi.For centuries, petitioners seeking advice from the oracle at Delphi would view the inscription. Philosophers throughout the ages offered this same advice to their students. These words are as valuable today as they were almost three thousand years earlier.Part of "knowing yourself" is understanding your beliefs. The difficulty is that most beliefs are subconscious. They have been accepted without ever havi.