An icebreaker
A branch of Buddhism that developed in India and took root in Tibet uses visualized deities, mantra, and a teacher's guidance to compress the path to awakening. Its core methods are transmitted through formal initiation, not published for general reading.
In his writings on tantra, he explained that Vajrayana's discretion isn't secrecy for its own sake, but a way of protecting practitioners' experience from worldly distraction and preventing instructions from being misapplied outside a teacher's guidance.
Across decades of teaching and translation, he described Vajrayana as making explicit what earlier Buddhist paths leave implicit, presenting it as a concentrated method built on the same Mahayana foundation rather than a separate religion.
In her 1994 book on women in tantric Buddhism, she documented the significant historical role of women as teachers and practitioners, challenging accounts that treated the tradition as male-centered.