Arcana Coelestia # 351
351. That “Abel” signifies charity has been shown before. By charity is meant love toward the neighbor, and mercy; for he who loves his neighbor as himself is also compassionate toward him in his sufferings, as toward himself.
Revelation 1:5
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and from Jesus Christ, the faithful witness, the firstborn of the dead, and the ruler of the kings of the earth. To him who loves us, and washed us from our sins by his blood;