in declaring the Sun to be the centre of the system and the Earth one of its satellites moving about it. It was a pagan doctrine and belonged properly to Pythagoras. The history of Science reveals many such persecutions of its devotees, and yet in modern times it cannot be said that Science is without its prejudices. It nearly killed religious belief in the nineteenth century owing to its recognition of the Materialistic hypothesis. Yet when we come to examine the claims of modern Science, or what popularly goes by that name, we find that it is largely hypothetical and that sciences which are usually known as “exact” are by no means so. Science has no certain knowledge of the origin of life and consciousness. Many distinguished men have sought to define life. Dr. Alfred R. Wallace in his _World of Life_ points out how inadequate are all these definitions, and wisely refrains from adding to them. Consciousness as a by-product of organic matter was quite correct science fifty years ago. To-day, in the presence of many well-attested facts which go to prove the possibility of consciousness apart from organism as we know it, the man of science is not at all sure that consciousness is anything of the sort. Modern psychology is a new leaf in the book of Nature which until quite recently had not been deciphered. We are getting our facts sporadically, a few at a time, and each new discovery changes our ideas concerning things which had passed for correct theory. The facts remain; our views of them are changed. We really have no certain scientific knowledge about the wonderful conversion of inorganic to organic matter. The alchemy of Nature baffles us.