Patanjali Yoga Sutras or Aphorisms written about 2600 years ago, condense the yogic tradition that existed in India 3600 years before that time. This period was also the golden period of Ayurveda. Both these disciplines are concerned primarily with the well being of the body, though their aims are different. The aim of yoga is to achieve eternity by getting over the bondage with the body and being one with the Universal Soul or Purusha. One needs...