Haven't read the whole essay yet, but I will tomorrow. Right away, I have to say that I have found Jesus teaching on the necessity to be born by the Spirit to even begin to see the Kingdom of God essential here to differentiate between blind faith, that is, unsubstantiated opinion, and Biblical substantive faith attested to not only by the people who knew Him over a lengthy period of time but by the personal and dynamic experience a person has for him or her self.