"There is a school of Philosophy still in existence of which modern culture has lost sight. Glimpses of it are discernible in the ancient philosophies with which all educated men are familiar, but these are hardly more intelligible than fragments of forgotten sculpture,-less so, for we comprehend the human form, and can give imaginary limbs to a torso; but we can give no imaginary meaning to the truth coming down to us from Plato or Pythagoras, pointing, for those who hold the clue to their significance, to the secret knowledge of the ancient world. Side lights, nevertheless, may enable us to decipher such language, and a very rich intellectual reward offers itself to persons who are willing to attempt the investigation. For, strange as the statement will appear at first sight, modern metaphysics, and to a large extent modern physical science, have been groping for centuries blindly after knowledge which occult philosophy has enjoyed in full measure all the while. Owing to a train of fortunate circumstances, I have come to know that this is the case; I have come into some contact with persons who are heirs of a greater knowledge concerning the mysteries of Nature and humanity than modern culture has yet evolved..."