Reading Science and Health has restored the sick to health; but the task of learning thoroughly the Science of Mind-healing and demonstrating it understandingly had better be undertaken in health than sickness. DISEASE UNREAL Disease is more than _imagination_; it is a human error, a constituent part of what comprise the whole of mortal existence,--namely, material sensation and mental delusion. But an erring sense of existence, or the error of belief, named disease, never made sickness a stubborn reality. On the ground that harmony is the truth of being, the Science of Mind-healing destroys the feasibility of disease; hence error of thought becomes fable instead of fact. Science demonstrates the reality of Truth and the unreality of the error. A self-evident proposition, in the Science of Mind-healing, is that disease is unreal; and the efficacy of my system, beyond other systems of medicine, vouches for the validity of that statement. Sin and disease are not scientific, because they embody not the idea of divine Principle, and are not the phenomena of the immutable laws of God; and they do not arise from the divine consciousness and true constituency of being. The unreality of sin, disease, and death, rests on the exclusive truth that being, to be eternal, must be harmonious. All disease must be--and can only be--healed on this basis. All true Christian Scientists are vindicating, fearlessly and honestly, the Principle of this grand verity of Mind-healing. In erring mortal thought the reality of Truth has an antipode,--the reality of error; and disease is one of the severe realities of this error. God has no opposite in Science. To Truth there is no error. As Truth alone is real, then it follows that to declare error real would be to make it Truth. Disease arises from a false and material sense, from the belief that matter has sensation. Therefore this material sense, which is untrue, is of necessity unreal. Moreover, this unreal sense substitutes for Truth an unreal belief,--namely, that life and health are independent of God, and dependent on material conditions. Material sense also avers that Spirit, or Truth, cannot restore health and perpetuate life, but that material conditions can and do destroy both human health and life.