."what happened in the story was that a person was seeking answers about the Lord, and the Lord sent over someone to get the ball started, but that when the eunuch made it out of the water he found that he was alone again, and likely had just as many questions if not more than when he went down into the water,,
But the difference now is that he had taken his first real step."
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You are still evading both questions...
"Can a person be saved without the scriptures to check against?"
and...
“Whose interpretation of the scriptures should we be in agreement with?”