No discoveries made in a physiological laboratory can ever annul the primary doctrine of mentalism. The mechanism of the brain provides the condition for the manifestation of intellectual processes but does not provide the first originating impulse of these processes. The distinction between mind and its mechanism, between the mentalness of experience and the materiality of the content of that experience, needs much pondering.
-- Notebooks Category 21: Mentalism > Chapter 1: The Sensed World > # 63
-- Perspectives > Chapter 21: Mentalism > # 32