Yoga is a science of the mind, an ancient system of exercise that
includes thousands of physical and mental exercises designed to
strengthen and balance the body, rejuvenate the nervous system, and
concentrate the mind. Yoga integrates body and mind so that you can
experience inner peace. Yoga is not a religion; it is a technology and
a discipline. You can be of any faith or religion, or none, and still
gain the healing benefits of yoga. --Darshan Singh Khalsa Yoga Secrets
for Business Success (Guilford, Connecticut:The Lyons Press, 2002)