Note 715 — Chapter XXXII
Reading edition
Yair eva patanam dravyaih siddhis tair eva coditâ—Kulârṇava Tantra, V. 48. There is probably something similar in Taoism. See Wieger, Histoire des Croyances religieuses en Chine, p. 409. The Indian Tantrists were aware of the dangers of their system and said it was as difficult as walking on the edge of a sword or holding a tiger.