" These waves, then, on which I sit, coming out of nothing, travelling through a non-medium in multi-dimensional non-space, are the ultimate answer modern physics has to offer to man's question after the nature of reality. The waves that seem to constitute matter are interpreted by some physicists as completely immaterial 'waves of probability' marking out 'disturbed areas' where an electron is likely to 'occur'. They are as immaterial as the waves of depression, loyalty, suicide, and so on, that sweep over a country ' From here there is only one step to calling them abstract, mental, or brain waves in the Universal Mind - without irony. "

― Arthur Koestler , The Sleepwalkers: A History of Man's Changing Vision of the Universe