Amongst the subjects covered in the text are ethical living, selfless action, stability of mind, religious duty and lack of desires. It also covers meditation and the nature of the universe and creation. The Yoga Sutras of Patanjali, also known as the Yoga of Eight Limbs , is a philosophical compilation bringing together the complete knowledge about yoga. It is estimated to date from between 200 and 800 BC but it has been considered to be earlier than that by traditional sources. This text is considered to the authoritative text on Yoga and is recognized by all schools of yoga.
Yoga is a dynamic system of physical exercise and a valuable philosophy to apply to everyday life.
The ultimate goal of yoga philosophy is complete complete self knowledge or Samadhi. This lack of self knowledge is thought to be the fundamental cause of many emotional and nervous problems. Yoga enables us to live our lives at a higher and more fulfilling level. The word YOGA comes from the Sanskrit language and means union. In the context of yoga philosophy it means the union between the individual soul and the universal soul.