II. Paths to the Spirit in East and West
What in fact is the process of perception? It is only a modification of the breathing process. As we breathe in, the air presses on our diaphragm and on our whole being. Brain fluid is driven up through our spinal column into our brain. This establishes a connection between breathing and cerebral activity. Breathing, in so far as it influences the brain, works upon our sense-activity in the form of perception. Drawing in breath has various sides to it, and one of these is perception.
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