The way in which our brain moves depends upon what thoughts we think.

 

Rudolf Steiner:  "He who says the following is a materialistic thinker: 'When one thinks, a movement of the molecules or atoms of the brain takes place, and it is because of this movement that one has thought. Thought proceeds from the brain somewhat like a thin smoke, or it is something like the flame from a candle.' Such is the materialistic view. The anthroposophical view is the opposite. In the latter it is the thought, the experience in the soul, which sets the brain and nervous system in motion. The way in which our brain moves depends upon what thoughts we think. This is exactly the opposite of what is said by the materialist. If you wish to know how the brain of a person is constituted, you must inquire into what thoughts he has, for just as the printed characters of a book are nothing else than the consequence of thoughts, so the movements of the brain are nothing else than the consequence of thoughts."

Source: May 30, 1912