In the end he will discover that man as Mind creates his own world of objects. To understand this let him just look at his dreams. He is not conscious of having created them, yet where else but from pure consciousness have they emerged? This shows how mind has the power to manufacture scenes, people, and such. The reference here is to what is called the Unconscious Mind.
-- Notebooks Category 21: Mentalism > Chapter 3: The Individual and World Mind > # 42