" e work which we offer to the public must not be confused with a collection of reveries and errors to which their authors have tried to give credence by announcing supernatural feats; which the credulous and the ignorant siezed with avidity. We only quote the most respectable authorities and most dignified in faith. The principles which we present are based on the doctrines of the ancients and modern, who full of respect for the Divinity, were always the friends of mankind, endeavoured to recall them to virtue, by showing them vice in all its deformity. We have drawn from the most pure sources, having only in view the love of truth and the desire to enlighten those who desire to discover the secrets of Nature and the marvels which they unfold to those who never separate the darkness which surrounds them. It is only given to those who are favoured by the Great Being, to raise themselves above the terrestial sphere, and to plan a bold flight in the etheric regions; it is for these priviledged men that we write..."