The Book of Dzyan is a reputedly ancient text of Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

an origin. The Stanzas formed the basis for The Secret Doctrine

The Secret Doctrine

The Secret Doctrine, the Synthesis of Science, Religion and Philosophy, a book originally published as two volumes in 1888, is Helena P. Blavatsky's magnum opus. The first volume is named Cosmogenesis, the second Anthropogenesis...

, one of the foundational works of the theosophical

Theosophy

Theosophy, in its modern presentation, is a spiritual philosophy developed since the late 19th century. Its major themes were originally described mainly by Helena Blavatsky , co-founder of the Theosophical Society...

  movement, by Helena Petrovna Blavatsky in 1875.
Madame Blavatsky claimed to have seen a manuscript of the Book of Dzyan while studying esoteric lore in Tibet. She claimed this and other ancient manuscripts were safeguarded from profane eyes by the initiates of an Occult Brotherhood.