Dan Attrell presents what it takes to be a “Sage” according to the author of the medieval hermetic astro-magical grimoire, the Picatrix.
Until Dan Attrell and David Porreca’s new and fully annotated translation of the Picatrix is published (circa late 2018), you can get yourself one of the translations done by others, or the Latin whence they all came:
English: http://amzn.to/2nbI8px
Italian: http://amzn.to/2ntvHCJ
French: http://amzn.to/2nttaIG
Latin: http://amzn.to/2m1MuzN
The Modern Hermeticist 