We reach our knowledge of the universe only by inference. The very object to which our thought is suppose to be irrelevant depends on the relevance of our thought. A universe whose only claim to be believed in rests on the validity of inference must not start telling us that inference is invalid. That would [...]

I am only pointing out that the material or external world in general is an inferred world and that therefore particular experiments far from taking us out of the magic circle of inference into some supposed direct contact with reality, are themselves evidential only as parts of that great inference. The physical sciences, then, depend [...]