6975. 'You are to take some of the water of the river' means factual knowledge that has falsities in it. This is clear from the meaning of 'the water of the river' - the river of Egypt, or the Nile - as factual knowledge that has falsity in it. 'Water' means truths, see 2702, 3424, 4976, and in the contrary sense falsities, 790, while 'the river of Egypt' means the falsity within factual knowledge, 6693.