The Thelema Society , also located in Germany , accepts Liber Legis and much of Crowley 's work on magick , while also including the ideas of other thinkers , such as Friedrich Nietzsche , Charles S. Peirce , Martin Heidegger , and Niklas Luhmann . The Thelema Society , also located in Germany , accepts Liber Legis and much of Crowley 's work on magick , while incorporating the ideas of other thinkers , such as Friedrich Nietzsche , Charles S. Peirce , Martin Heidegger , and Niklas Luhmann .