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7And I, Daniel, alone saw the vision, for the men who were with me did not see the vision, but a great trembling fell upon them, and they fled to hide themselves. 8So I was left alone and saw this great vision, and no strength was left in me; my radiant appearance was fearfully changed, and I retained no strength. 9Then I heard the sound of his words; and when I heard the sound of his words, I fell on my face in a deep sleep with my face to the ground.
Daniel 10:7-9 (RSV)