analysis and knowledge of others and of ourselves. “Know yourself!” said the oracle of Delphi, and there already was implied that such self-knowledge was not a simple and obvious thing which everyone possessed. It is often apparent that man’s self-knowledge is extremely limited and incomplete, and that man’s picture of himself does not correspond at all with the actuality of his nature. It seems undeniable that “our eyes become clouded” more quickly in examining ourselves than in examining others.15