Comparing the old with the new, As the Serpent was lifted up for a cure, Jesus was lifted up for our sins.
As Moses Lifted up the Serpent
John 3: 14/21
In these scriptures that I have read, we see the “heavenly things,” as before the earthly. But it is under a veil, and this is what Nicodemus didn’t understand about being born again. This is what Jesus had reference to in John