"Sister, we are noticing that you have too much stress for these past publications. You demand too much perfection for the organization. Firstly, these were not false prophets, they were sincere christians who wished the end of this system of things, so their desire led them to set some wrong dates. Secondly, in certain sense, these predictions were true, because Babylon the Great fell in 1919."
Deuteronomy 18:20 - "20 But a prophet who presumes to speak in my name anything I have not commanded, or a prophet who speaks in the name of other gods, is to be put to death.” "
And what proof do they (the visiting elders) offer that "babylon fell" in 1919? Seriously. The bible students continued to celebrate christmas and all manner of things, all with "god's approval" allegedly hanging over their heads like a halo, until the latter half of the 1920s.
http://www.jwfacts.com/watchtower/celebrations.php
Watchtower followers stopped celebrating Christmas from 1928.
"What caused the Bible Students to stop celebrating Christmas? Richard H. Barber gave this answer: "I was asked to give an hour talk over a [radio] hookup on the subject of Christmas. It was given December 12, 1928, and published in The Golden Age #241 and again a year later in #268. That talk pointed out the pagan origin of Christmas. After that, the brothers at Bethel never celebrated Christmas again."
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"Sister, those who left the Society went back to the false religion, to the churches of Babylon the Great. "
Again, proof? They need to name some names. In fact, they are implying that ALL went back to "false churches". Name the names and where they went. They made the assertion as fact. The burden of proof is on them to prove the statement as factual.
They (the elders) make sweeping statements without a single ounce of evidence to back up what they say. That is a fact.
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Tell her to stop allowing these cultists into her home or even in her presence. The next set of statements from them will be in the form of questions, such as "do you believe the governing body/watchower society are spokesmen/god's channel on earth today?"
If she does not answer "yes" to any of these sorts of statement questions, she will be disfellowshipped and shunned. She needs to shake the dust off her feet at them and never talk to them again.