<p>The Yoga SÅ«tras of Patañjali are Indian sÅ«tras (aphorisms) that constitute the foundational text of yoga. In medieval times, yoga was cast as one of the six orthodox āstika schools of Hindu philosophy.<br><br>The Yoga Sutras form the theoretical and philosophical basis of Rāja Yoga, and are considered to be the most organized and complete definition of that discipline. The Sutras not only provide yoga with a thorough and consiste...