Mud, loam, or clay
In Psalm 40:27, this signifies horrible evils from which the Lord saves us. (The Inner Meaning of the Prophets and Psalms 290)
In Isaiah 29:16 and 64:8, this signifies the good of which the mind or the man himself of the church is formed and from which proceed his reformation and regeneration. (Arcana Coelestia 1300)
In Daniel 2:33, this signifies goods from lower natural things. (Arcana Coelestia 2162[3])
In Nahum 3:14, this signifies falsities. (Arcana Coelestia 1296)
In John 9:6, this signifies reformation through truth from the literal sense of the Word. (Apocalypse Explained 239[19])
(Odkazy: Apocalypse Explained 355)
The Inner Meaning of the Prophets and Psalms # 290
290. Internal Meaning of Psalm 40
1-5 Thanksgiving and celebration of the Father, that He has helped Him (13)
6-8 He came into the world, as is written in the Word, that He might do the will of the Father. (13)
9-10 He also preached the gospel of the kingdom of God, and taught. (11)
12-15, 17 Trust from His Divine against those who purpose to put Him to death, (9)
16 and let those who worship the Lord rejoice in Him (11, 16)