The Philosopher and his Flask vs The Dreamer
"From ancient times, the deer was used to represent a non-ordinary awareness or the capacity to communicate with the sprit world. In this plate, the mercurial spirit - in both its Feminine and Masculine forms - is aware of the alchemist as he begins his opus. Jung referred to the deer as a "
The Philosopher on his journey investigating the Elements of nature is like The Dreamer who follows his intuition and imagination in pursuit of other horizons. The two horses flying in the sky can represent the mercurial aspect of the Philosopher, the masculine and feminine, harmonized with music.
Note: the quote is from the book by J.L. Henderson and D.N. Sherwood, Transformation of the Psyche: The Symbolic Alchemy of the Splendor Solis