The dual substance of Christ- the yearning, so human, so...

The dual substance of Christ- the yearning, so human, so superhuman, of man to attain God... has always been a deep inscrutable mystery to me. My principle anguish and source of all my joys and sorrows from my youth onward has been the incessant, merciless battle between the spirit and the flesh... and my soul is the arena where these two armies have clashed and met.