“The Law of Thelema offers a religion which fulfills all necessary conditions. The philosophy and metaphysics of Thelema are sound, and offer a solution of the deepest problems of humanity. The science of Thelema is orthodox; it has no false theories of Nature, no false fables of the origin of things. The psychology and ethics of Thelema are perfect. It has destroyed the damnable delusion of Original Sin, making every one unique, independent, supreme, and sufficient. The Law of Thelema is given in the Book of the Law.”
"Editorial” from The Equinox III:1
Thelema is a religious-magical-philosophical system founded when Aleister Crowley received the Book of the Law in 1904. It encompasses a diverse range of beliefs and practices, centering around the core principle known as the Law of Thelema, which can be summarized as “Do what thou wilt shall be the whole of the Law. Love is the law, love under will.” The word “Thelema” itself is derived from the Greek word for “will”.
At its essence, Thelema encourages individuals to discover and accomplish their True Will by actively working within the Three Grades of the System of Thelema, promoting the idea of personal autonomy, self-realization, and the pursuit of one’s highest potential. Crowley used the term “Thelemites” to refer to someone who “accepts the Law” (i.e. the Book of the Law). Thelemites believe that by aligning themselves with their True Will, they can attain spiritual liberation and fulfillment.
Thelema has inspired and continues to influence various occult and esoteric traditions, attracting individuals who seek a path of self-discovery, personal empowerment, and spiritual enlightenment.
For more information about Thelema, read Liber CLXI: Concerning the Law of Thelema.