The Yoga Sūtras of Patañjali are 196 Indian sutras (aphorisms). The Yoga Sutras were compiled prior to 400 CE by Sage Patanjali, taking materials about yoga from older traditions. The Yoga Sūtras of Patañjali was the most translated ancient Indian text in the medieval era, having been translated into about forty Indian languages and two non-Indian languages: Old Javanese and Arabic. The text fell into obscurity for nearly 700 years from the 12th to 19th century, and made a comeback in late 19th century due to the efforts of Swami Vivekananda, the Theosophical Society and others. It gained prominence again as a comeback classic in the 20th century. Before the 20th century, history indicates the Indian yoga scene was dominated by the Bhagavad Gita, Yoga Vasistha, texts attributed to Yajnavalkya and Hiranyagarbha, as well as literature on hatha yoga, tantric yoga and pashupata yoga rather than the Yoga Sūtras of Patañjali. In the 20th century the western practitioners of yoga elevated the Yoga Sutras to a status it never knew previously. Scholars consider the Yoga Sūtras of Patañjali formulations to be one of the foundations of classical Yoga philosophy of Hinduism.