<human>:  Where does the author say that the human brain is a “spiritual machine” in the book ‘The Age of Spiritual Machines?
<bot>: The author says that the brain is a “spiritual machine” in Chapter 2, pg. 58. The quote is: “The brain is a spiritual machine. The human mind is not a simple mechanism. It is a complex and dynamic system of billions of cells and trillions of connections. The mind is not a passive lump of matter. It is a process, a process of thought and feeling, of perception and cognition.”