The underlying purpose of all practices of yoga is to reunite the individual soul with the Absolute or pure consciousness (Brahman). Union with this unchanging reality liberates us from all sense of separation and allows us to realise our true nature. Following the teaching lineage of his guru Swami Sivananda and by closely observing the lifestyle and needs of modern society Swami Vishnudevananda synthesised the ancient wisdom of yoga into five principles or points that could be easily Incorporated into daily life. Proper Exercise (asana), Proper Breathing (pranayama), Proper Relaxation (savasan), Proper Diet (vegetarian) and Positive Thinking (vedanta) & Meditation (raja yoga). Without diverging from the time-honoured teachings of classical, traditional yoga based o the four paths of yoga (karma, raja, bhakti and jnana) he recommended their regular practice for optimal physical and mental health as well as spiritual growth. These five principles based on the four paths of yoga are the foundation of the teachings at the Sivananda Yoga Vedanta Centres worldwide.