In an article entitled "Christian Science" in "Miscellaneous Writings" Mary Baker Eddy says (p.235): "By this system, too, man has a changed recognition of his relation to God. He is no longer obliged to sin, be sick, and die to reach heaven, but is required and empowered to conquer sin, sickness, and death; thus, as image and likeness, to reflect Him who destroys death and hell. By this reflection, man becomes the partaker of that Mind whence sprang the universe."
The basis of healing in Christian Science is an understanding of perfect God and of man as His reflection. Jesus referred to true identity thus (John 5:19): "The Son can do nothing of himself, but what he seeth the Father do: for what things soever he doeth, these also doeth the Son likewise." And what is true of Jesus' Christlike nature is equally true of the real selfhood of each one of us. Indeed, as reflection, individual man has no choice but to show forth all the qualities and attributes of his divine Principle, "for what things soever he doeth, these also doeth the Son likewise."
There is one Being, even God. God and His idea coexist; they are inseparable. They express the infinity and unity of being in divine Science. God reflects or expresses Himself, and the emanation of His being, His reflection or expression, is termed man. There is no God without man, and man does not act apart from God. It follows that, as reflection, man must do everything his source does.