For every thought, then, that we think, and every feeling or desire that we feel, there takes place in the brain some definite material movement, on the force or figure of which the thoughts and feelings are dependent.

Now if physical observations are to be the only things that guide us, one important fact will become at once evident.

Matter existed and fermented long before the evolution of mind; mind is not an exhibition of new forces, but the outcome of a special combination of old.

Mental facts are therefore essentially dependent on molecular facts; molecular facts are not dependent on mental.

They may seem to be so, but this is only seeming.