Above the Oracle of Delphi was written Gnothi Sauton (corrections welcome) which translates to Know Thyself. [addition] From Sun Tsu - The Art Of War: If you

Above the Oracle of Delphi was written Gnothi Sauton (corrections welcome) which translates to Know Thyself. [addition] From Sun Tsu - The Art Of War: If you don't know yourself and don't know your enemy, you will always lose. If you only know yourself or your enemy, you will win half the time. If you know yourself and know your enemy, you will always win.