One hears of the mechanical equivalent of heat. What we now need to discover in the social realm is the moral equivalent of war: something heroic that will speak to men as universally as war does, and yet will be as compatible with their spiritual selves as war has proved itself to be incompatible.

An enormous mass of experience, both of homeopathic doctors and their patients, is invoked in favor of the efficacy of these remedies and doses.

Metaphysics means nothing but an unusually obstinate effort to think clearly.

The ultimate test of what a truth means is the conduct it dictates or inspires.

But it is the bane of psychology to suppose that where results are similar, processes must be the same. Psychologists are too apt to reason as geometers would, if the latter were to say that the diameter of a circle is the same thing as its semi-circumference, because, forsooth, they terminate in the same two points.

My experience is what I agree to attend to.

Intellectualism' is the belief that our mind comes upon a world complete in itself, and has the duty of ascertaining its contents; but has no power of re-determining its character, for that is already given.