Mortals live in a dreamworld, for they think that matter acts of itself and that their well-being depends upon the condition of matter. But real existence is the opposite of a mortal's sense of being, for Life is the perfect Mind. In reality we live in a world of perfect ideas. Mortals believe in inharmony, limitation, finiteness; but all-harmonious, fetterless Mind is infinite Life, and real man and the real universe are the reflections of this glorious Mind.
To rise above the beliefs of frailty, discord, lack, and finite capacity, we must understand that existence is incorporeal, spiritual, not corporeal, not material; we must know that we are, in reality, spiritual ideas, living in all-harmonious, fetterless Mind. Christian Science reveals this fact.
In the human sense of things, we are seeing the activity of human thought. The material body seems to act, but it is only the outward manifestation of thought. Matter has no properties of its own; without mortal mind that creates and governs it, one form of matter cannot do anything to another form of matter. Unless one's belief is affected, the body cannot be affected by air, germs, virus, poison, and so on, for, as Mrs. Eddy says, "There is no life, truth, intelligence, nor substance in matter."Science and Health, p. 468; All that ever seems wrong about the body is the result of thinking from the standpoint that life, substance, and intelligence are material. One is free to possess his body: it cannot possess him. He controls the body; it does not control him.
