Collection of Treatises on the Occult Sciences

...found written; I conclude, therefore, from this that Ezra made use of them, and thus there were seventy principal volumes which since then have not been communicated except to the wise; and both that which they read has been communicated to us by Ezra through the words: "The forty days being accomplished, the Most High spoke thus: What you have written, bring to light; all shall read it, worthy or unworthy; nevertheless, you shall preserve the seventy books which you shall communicate to the wise of your people, for they contain a source of understanding and wisdom and a river of knowledge." And this being done, this celestial tradition thus came to the knowledge of men, which is why it has been called human, and is entirely founded upon the arrangement of numbers, which a man, provided he knows how to calculate, is capable of learning, and provided he has knowledge of the characters that are found...