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2ndpillar You have a lot of opinion...
Matthew was originally written in Aramaic. John 1:42 is Aramaic for Rock is Cephas!
Jesus is portrayed as the builder of the Church, not the building. He said, “I will build my church.” Jesus is “the wise man who built his house upon the rock” (Matt. 7:24) in Matthew’s Gospel. it does not fit the context to have Jesus building the Church upon himself. He’s building it upon Peter. Jesus is building on ROCK he is a wise man NOT a fool!
The "rock" is NOT the "cornerstone", The building is built ON (Peter) Rock! The cornerstone of the BUILDING is Jesus! ROCK is the foundation the cornerstone is NEVER the foundation of a building!
14 And the wall of the city had twelve foundations, and on them the twelve names of the twelve apostles of the Lamb.
The FOUNDATION of the Church Jesus built is ON ROCK! The CHIEF ROCK is Peter!
2ndpillar Stop your nonsense about a Cornerstone being a FOUNDATION!
Peter is the CHIEF SHEPHERD of God' holy flock! Jesus commissioned Peter for the Job!
John 21:17
He said to him the third time, “Simon, son of John, do you love me?” Peter was grieved because he said to him the third time, “Do you love me?” And he said to him, “Lord, you know everything; you know that I love you.” Jesus said to him, “Feed my sheep.
Peter strengthen the other apostles!
Luke 22:32 but I have prayed for you that your faith may not fail; and when you have turned again, strengthen your brethren.”
Peter speaks for Jesus with Jesus' AUTHORITY: Peter COMMANDS men!
, 47 “Can any one forbid water for baptizing these people who have received the Holy Spirit just as we have?” 48 And he commanded them to be baptized in the name of Jesus Christ. Then they asked him to remain for some days.
God the father from Heaven kept Peter from error!
17 And Jesus answered him, “Blessed are you, Simon Bar-Jona! For flesh and blood has not revealed this to you, but my Father who is in heaven.
The Church Jesus built will never fail, built on ROCK!
The Church Jesus built is still around today.. The Church Jesus built has roots back to the Apostles it is "Apostolic"!
The Church Jesus built is HOLY it is Blameless because Jesus is Holy and Blameless!
The Church Jesus build is Catholic because God is Catholic!
The Church Jesus built is ONE and only ONE all others were started by Men who MUST reject the scriptures!
The language of the gospel of Matthew is pretty much in the air. As a tax collector, collecting taxes for the government, he most likely also spoke Greek along with Aramaic of the other apostles. The know little scholars argue between Greek, Aramaic, and Hebrew. The bible you use was most likely a copy from the Greek version, and not from some Aramaic source.
Your quote from John 21:17 is with respect to John pointing out, with tongue in cheek, that Peter was none other than the "worthless shepherd" of Zechariah 11:16-17, who wouldn't feed, care or tend the sheep, but who would be used to "pasture" the "flock doomed for slaughter" (Gentile church)(Zechariah 11:7). John couldn't say it out loud because of what Yeshua commanded in Matthew 13:28-29. Whereas Peter told Yeshua he loved him 3 times in John 21:17, he also told Yeshua he would not leave him 3 times, but because of Zechariah 13:7, Yeshua knew Peter would leave him (scatter), and that he would not feed, care, or tend the sheep (Zechariah 11:16).
As for what a cornerstone is, it is a foundation stone which happens to be located at the corner.