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31 And God saw every thing that he had made, and, behold, it was very good. And the evening and the morning were the sixth day.
"Birds" represent rational concepts in the external man and intellectual concepts in the internal man.
22 And Reuben answered them, saying, Spake I not unto you, saying, Do not sin against the child; and ye would not hear? therefore, behold, also his blood is required.