Re: How can Jesus be both God and the Son of God?
its more fundamental than that.
in this exchange, jesus is talking about revelation from the father. jesus says that he will build his church upon THAT - revelation from the father. it all comes from the father.
and there is another of those undefined terms - church.
what is church?
Strong's Concordance
ekklésia: an assembly, a (religious) congregation
Original Word: ἐκκλησία, ας, ἡ
Part of Speech: Noun, Feminine
Transliteration: ekklésia
Phonetic Spelling: (ek-klay-see'-ah)
Short Definition: an assembly, congregation, church
Definition: an assembly, congregation, church; the Church, the whole body of Christian believers.
HELPS Word-studies
1577 ekklēsía(from 1537 /ek, "out from and to" and 2564 /kaléō, "to call") – properly, people called out from the world and to God, the outcome being the Church (the mystical body of Christ) – i.e. the universal (total) body of believers whom God calls out from the world and into His eternal kingdom.
[The English word "church" comes from the Greek word kyriakos, "belonging to the Lord" (kyrios). 1577 /ekklēsía ("church") is the root of the terms "ecclesiology" and "ecclesiastical."]