It was a reaction from the old idea of "protoplasm", a name which was a mere repository of ignorance.
John B. S. HaldaneSo far from being an isolated phenomenon the late war is only an example of the disruptive result that we may constantly expect from the progress of science.
John B. S. HaldaneIf materialism is true, it seems to me that we cannot know that it is true. If my opinions are the result of the chemical processes going on in my brain, they are determined by the laws of chemistry, not those of logic.
John B. S. HaldaneI am quite sure that our views on evolution would be very different had biologists studied genetics and natural selection before and not after most of them were convinced that evolution had occurred.
John B. S. Haldane