26 And they gave forth their lots; and the lot fell upon Matthias; and he was numbered with the eleven apostles.
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You make my point well. Where in these texts you provided here does it say that any successor will be exactly like the original Apostles, and do exactly what they did?
Hint: It is not in there. If you think it is there, you are reading that into the text yourself. It is not there.
In fact, not even all of the original Apostles had the same exact gifts, or performed the same tasks or functions.
For example, did all of those twelve original Apostles actually write at least one book in the Bible? (The answer, of course, is no.)