they did not and would not, the pure israelites being his sheep heard jesus voice when he called them out of the old sheepfold he tells the kikes right after he says they are not of abraham "why cant you hear my speech?" not why wont you why cant you. the old sheepfold was to be destroyed with them inside of it, they could not recognize he was the messiah because they lacked the fruit of the spirit descending in part from a different tree.
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