Man is the only species to have a vertical spine and his ability to look up at the sky, the limitless makes him unique. He has immense inherent powers lying dormant which can only be awakened when  in complete sequence. The 33 vertebrae in the spine are a storehouse of energy which can only be released when the spine is erect. The flow of energy goes to the brain unconstructed .It is only then that one can absorb and retain what is spoken.