The dross, mentioned in Isaiah 1:22, signifies falsity.

(Odkazy: Apocalypse Explained 887)

1127. I was allowed to speak to members of the Ancient Church, or Church after the Flood, who were called Shem. They flowed in gently through the region of the head into the region of the breast towards, though not as far as, the heart. Their character can be known from the way they flow in.