Well, for one thing, we must ALSO believe that he handed on this title (which doesn't indicate anything about a Papacy) to people who were NOT Apostles. How does that support your theory here about a Papacy?
The title of Apostle is (and should be) unique to the Twelve and Paul. One wouldn't have to be an Apostle to receive Peter's office. Rather, they would have to be eligible to receive the same
episcopal office as him, which would be the office of bishop.
Apostle is a
title,
bishop is the
office they all shared, and that is what was passed on to others (notably, Linus, who ended up succeeding him).
I'm not sure how Anglicans view holy orders, but surely you don't believe that they ended with the death of the last Apostle? As the Papacy is part of the holy orders itself,
it wouldn't end there, either.
Anyways, Peter wasn't
quite able to pass the torch himself- he was martyred. Besides, as you must know, Popes don't choose their own successors anyways. The future Pope is chosen by his peers, so it's unnecessary for the current Pope to choose his successor.
One more thing (and this leads into the second half of what you said): as this saying of Jesus is linked to Isaiah 22, which is concerning stewardship, we can reasonably assume that Peter's office is meant to perpetuate- unless we would say that the King wouldn't choose another to take his place.
Keys mean something, yes, but they key given to David is not the same as the keys given to Peter. The connection you are trying to make between the two events doesn't exist.
I don't think we need be
too literalistic in our analysis. Do you believe in the Real Presence? If so, why would you? Don't you know that the Passover lamb had to be roasted before it could be eaten?
If that's not enough for you, let me first correct you- the
key wasn't given to David, but Eliakim. He was to receive the key
of the house of David.
Now, as for the plural use of
keys, I would say that they're linked to what follows:
"And whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven."
That's binding
and loosing- two separate actions. What I'm saying is, I take the plural use of
keys to denote the different responsibilities of Peter's office. That being said, they
do come together to make up the general responsibility of the chief steward, or the Pope:
to govern the house of God, which is the Church (CCC 553). Now,
that being said, that
one responsibility breaks down into several different components: (1) to absolve sins, (2) to pronounce doctrinal judgements, and (3) to make disciplinary decisions in the Church. But surely we must find such evidence in the Scriptures, right?
- To absolve sins As an Anglican, surely you believe in confession? And why wouldn't you? He breathed on them and said to them, ‘Receive the Holy Spirit. If you forgive the sins of any, they are forgiven them; if you retain the sins of any, they are retained.
To pronounce doctrinal judgements As a Christian, you've read the Scriptures, haven't you? How Peter stood up in the assembly and declared, "My brothers, you know that in the early days God made a choice among you, that I should be the one through whom the Gentiles would hear the message of the good news and become believers. And God, who knows the human heart, testified to them by giving them the Holy Spirit, just as he did to us; and in cleansing their hearts by faith he has made no distinction between them and us. Now therefore why are you putting God to the test by placing on the neck of the disciples a yoke that neither our ancestors nor we have been able to bear? On the contrary, we believe that we will be saved through the grace of the Lord Jesus, just as they will."
To make disciplinary decisions in the Church And because you read the Scriptures, you're also aware of how Peter excommunicated Simon the magician- who tried to buy his way into the episcopacy- when he said "May your silver perish with you, because you thought you could obtain God’s gift with money! You have no part or share in this, for your heart is not right before God."
Scripture is alive- there's already so much going on in the foreground, but it's when you go behind the scenes that you see how things really are and how they all fit together. What would've happened had Toto never pulled back the curtain? Dorothy well would've been trapped in Oz. But thanks to a little digging, she came Home (and yes, that capitalization was intentional- a point is being made).