Bloods signify evil in Ezekiel 16:9.

(参考: Arcana Coelestia 3147 [1-10])

In Revelation 10:9, "And I went unto the angel, saying, give me the little book," signifies the faculty of perceiving the quality of the Word from the Lord.

In Psalm 40:7, this signifies the Word. (Apocalypse Explained 299, Coronis 60)

(参考: Apocalypse Explained 616)