Arcana Coelestia #1018
1018. The reason why it is here said again, “Be ye fruitful, and multiply” as in the first verse (Genesis 9:1) of the chapter, is that here is the conclusion, and that all things will go well, and will be fruitful and multiply, if men shun what is signified by eating blood and by shedding blood, that is, if they do not extinguish charity by hatreds and profanations.
Matthew 22:34-39
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But the Pharisees, when they heard that he had silenced the Sadducees, gathered themselves together.
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One of them, a lawyer, asked him a question, testing him.
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"Teacher, which is the greatest commandment in the law?"
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Jesus said to him, "'You shall love the Lord your God with all your heart, with all your soul, and with all your mind.'
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This is the first and great commandment.
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A second likewise is this, 'You shall love your neighbor as yourself.'