The light of God's radiant being expressed by the Christ dawned upon Isaiah when he said (Isa. 60:1), "Arise, shine; for thy light is come, and the glory of the Lord is risen upon thee." Those who have caught a glimpse of this spiritual light of the Christ long to let it glow so clearly that those buried in the illusions of the material senses will be enlightened and lifted up.
A life spiritually lived brings a radiance that can never be extinguished, dimmed, or obscured. Jesus manifested the inextinguishable radiance and grandeur of divine Being and taught others how to manifest them. He knew that neither God nor man can be obscured, for God, who is Light, fully expresses the effulgence of Light in man. Accordingly, Jesus gave this command (Matt. 5:16): "Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven." The Master's command to express the light of the Christ gives each one of us a specific purpose for being. As we express God's radiant nature, His divine being, we acquaint men with God, as the source and Giver of all good. God—infinite Mind, Spirit, Soul, divine Principle—gives being, body, and continuous activity to His ideas. Man expresses the warmth of Love, the intelligence of Mind, the stability of Principle, the integrity of Truth, the tangibility of Spirit, the radiance of Soul. Knowing these truths makes it natural for us to respond to the call to radiate the light of Christ and thus fulfill our reason for existing.
Since the time of the Master no one has discerned this spiritual light and conveyed it more clearly to others than Mary Baker Eddy, whose radiant light reflected Light. Through Christian Science she made the revelation of divine Science practical to men. Discerning that this revelation would be lost if mortals misunderstood her divine relationship to it, she made the following explanation, which was originally published in the New York Herald and now appears in "The First Church of Christ, Scientist, and Miscellany" (p. 344):
