“I while yet a youth wrote in a quite large volume three books of magical things, which I called De occulta philosophia, in which whatever was then erroneous because of my curious youth, now, more cautious, I wish to retract by this recantation, for formerly I spent much time and goods on these vanities.” MagicOccultRecantation1530 Book:The Devil's Doctor: Paracelsus and the World of Renaissance Magic and Science Source: The Devil's Doctor: Paracelsus and the World of Renaissance Magic and Science