I knew nothing of Bulwer-Lytton, and so read an article about him on Internet. I ran into word for which I could not find dictionary definition.

Bulwer found fertile
material in the dialectic of egoism and idealism. The tension between the two suggests what Aleister Crowley, the prophet of
Magick and thelema, and admirer of Lytton’s work, said of the conflict between his own Beast personality and his utopian,
Shelleyan side, though in his case it might all reduce to egoism. He remarks on Zanoni’s sacrifice in language that time has not softened into respectability.

On Internet I found some sites that mentioned it, but no concise definition.
" Law of Thelema. Most especially, this means a deeper understanding of oneself and of one's True Will. "