Jesus is 'training the trainor'. He brings all of the scriptures together and distills the core messages. He then commands his disciples to go and teach those messages.
(note for 3 Nephi 23:14)
August 16, 2009 at 08:16 AM
3 Nephi 23:14
And now it came to pass that when Jesus had expounded all the scriptures in one, which they had written, he commanded them that they should teach the things which he had expounded unto them.
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daveo