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impression is absolutely erroneous. Men of science in former ages worked in secret, and instead of publishing their discoveries, taught them in secret to carefully selected pupils. Their motives for adopting that policy are readily intelligible, even if the merits of the policy may seem still open to discussion. At all events, their teaching has not been forgotten ; it has been transmitted by secret initiation to men of our own time, and while its methods and its practical achievements remain secrets in their hands, it is open to any patient and earnest student of the question to satisfy himself that these methods are of supreme efficacy, and these achievements far more admirable than any yet standing to the credit of modern science.
For the secrecy in which these operations have been shrouded has never disguised their existence, and it is only in our own time that this has been forgotten. Formerly at great public ceremonies, the initiates displayed the powers with which their knowledge of natural laws invested them. We carelessly assume that the narratives of such displays describe performances of magic: we have decided that there is no such thing as magic, therefore the narratives must have been false, the persons whom they refer to, impostors. But supposing that magic, of old, was simply the science of magi, of learned men, there is no magic, in the modern sense, left in the matter. And supposing that such science—even in ancient times already the product of long ages of study—had gone in some directions further than our much younger modern science has yet reached, it is reasonable to conclude that some