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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.
5 And surely your blood of your lives will I require; at the hand of every beast will I require it, and at the hand of man; at the hand of every man's brother will I require the life of man.