"You are facing destruction, people of Atlantis," the Supreme Master had said, standing on a tall white pillar in the central square of Sian, "if you do not use natural laws as they were given you to use them. Disobey the laws continually, and they will destroy you, surely as the sun rises. Ages ago, the Masters of that time disclosed to some of you all the secrets which science should discover bit by bit, as the people become ready for each discovery. "The secrets, all the secrets, of the universe, were given to a few—a few who had proved themselves worthy of trust. The Masters erred, as even Masters sometimes may. Some of those who received the secrets in trust, realized the vast power thus given them, and began to use them for their personal needs, and in so doing, subjugated countless of their fellows. "With each age of progress of the human mind, Masters have warned you, as they warned the people of Mu, of Lemuria, of Pan. They made it clear to Atlanteans then exactly why Mu, Lemuria and Pan sank under the sea—and that Atlantis herself was doomed to the same fate if she did not reform, return to the proper use of natural law! Some heeded, some did not. It is ever the way. "Those who cry out, those who warn men against themselves, are never thanked, are usually regarded as fanatics, as cranks without knowledge. Beware, the time is set. It will come in ten years, if drastic return to the law is not made by all the people." So the Supreme Master of Sian had spoken, ten years ago, almost, when he had wrapped his white glowing garment about him and was lowered into the pillar, to vanish since then from sight of all save the Masters, of Whom He was One. Now, the ten years were almost upon us, and all Atlantis groped through a fog almost too thick to be breathed, this in spite of the fact that the Masters had instructed me that I, as a leader of the majority of the people, must find a way to dissolve the fog, and restore the proper workings of Nature's Law. "If you fail," the Masters told me. "If you fail, Anghor, the Creeping Mist will become water. The water will coalesce with the salt waters of the Atlantean Sea, and the sea will possess all of the land save certain mountain-tops. Already the weight of the Creeping Mist upon the land is such that the foundations of Atlantis groan." Now, as I found myself behind that third-entered door in the Building of the Skull, alone in The Laboratory of the City of the Sun, I had a