You can have calmness of mind at all times by the practice of yoga. You can have restful sleep. You can have increased energy, vigour, vitality, longevity, and a high standard of health. You can turn out efficient work within a short space of time. You can have success in every walk of life.
Swami Sivananda (1964). “Bliss Divine: A Book of Spiritual Essays on the Lofty Purpose of Human Life and the Means to Its Achievement”