It is neither man nor God who condemns unbelieving Jews, but they themselves. What they said at Jesus trial:
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Matthew 27
23 The governor said to them: Why, what evil hath he done? But they cried out the more, saying: Let him be crucified.
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24 And Pilate seeing that he prevailed nothing, but that rather a tumult was made; taking water washed his hands before the people, saying: I am innocent of the blood of this just man; look you to it.
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25 And the whole people answering, said: His blood be upon us and our children.