There are indeed passages in the Bible where Jesus is described as instructing the disciples in a teaching witheld from the many – “those outside”, as he calls them. Such passages appear to posess a special significance in the Gospel of Mark, and perhaps none is more notable or more disturbing than the following:
And when he was alone, those who were around him with the Twelve asked for the parables.
And he said to them, “To you is given the mystery of the kingdom of God; but to those outside all things are done in parables, so that seeing they may see, and not perceive; and hearing they may hear, and not understand; lest they should turn again and be forgiven.” (4:10-12)
…Mark, then, during Peter’s stay in Rome, wrote an account of the deeds of the Lord, not however declaring all of them, nor yet hinting at the secret ones, but selecting those he thought most useful for increasing the faith of those who were being instructed. But when Peter died as a martyr, Mark came over to Alexandria, bringing both his own notes and those of Peter, from which he tranferred to his former book the things suitable to whatever makes for progress towards knowledge (gnosis). Thus he composed a more spiritual Gospel for the use of those who were being initiated…When he died, he left his composition to the church in Alexandria, where it is even yet most carefully guarded, being read only to those who are being initiated into the great Mysteries…
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