योग सूत्र · yoga sūtra · YOH-gah SOO-trah
threads of yoga
Ancient foundational text by Patanjali outlining yoga philosophy.
Compiled around 400 CE, the Yoga Sutras are 196 aphorisms organized into four chapters. They describe the nature of the mind, the Eight Limbs of Yoga, and the path to enlightenment (samadhi).