What's unclear about "the father is greater than I"?
UBERWitless, that's a socalled "proof scripture" that the WT uses.
Nothing unclear about that verse you cited. Also perfectly clear is that Jesus possesses "all power in heaven and earth" - Mt. 28: 18
Also, equally clear is that Jesus said he would resurrect himself while he was dead. - John 10:18
The problem is that the fundamental assumption of the WT is materialism [sort of]. They deny that personhood is attributed to someone's spirit or soul in the bible. Then, they use this false assumption to harp on some scriptures while denying others.
And the very God of peace sanctify you wholly; and I pray God your whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ. - 1 Thess. 5: 23
Since we are Tri--Partite beings with personhood attributed to each, according to many scriptural proofs, it is easy to see where Jesus at times spoke from his flesh as the son of Mary, and at other times from his spirit [the very essence of God] as the son of God.
Jesus referred to himself as both the son of God and the son of man. He was both - indivisible essence of God in spirit joined to a fully functioning physical human body.
Bottom line is that if the bible teaches that Jesus was both God and man, that should be the official Christian position, regardless of whether or not we accept it or if we fully understand it.