When we discuss these questions with medical men, they often raise the objection that the changes of thought and feeling as a result of liquor, drunkenness, drug narcosis, tropical fever, or brain lesion constitute a clear proof that mind is the product of body and that materialism is a true doctrine. We answer that they prove only that mind is closely connected with the body.

-- Notebooks Category 21: Mentalism > Chapter 1: The Sensed World > # 110