The Yoga Sutras of Patanjali is an ancient text that defines yoga as calming the mind to gain self-awareness. It presents an eightfold path including ethical living, posture, breath control, and meditation. The goal is inner peace and freedom from suffering. - An ancient Indian text written by Patanjali - Defines yoga as stilling the fluctuations of the mind - Focuses on mental discipline, ethics, and meditation - Describes the Eightfold Path (Ashtanga Yoga) - Aims at self-awareness, inner peace, and liberation