To become spiritual means to purify one's spirit from the foreign elements which take away the natural feeling of the spirit. Concentration, meditation, all these help to make the spirit its natural self again, but the vehicles that the spirit uses in order to experience life must help the spirit to become natural. These vehicles are the mind and the body. However great the musician, if the instrument is out of tune he can do nothing with it. To say that only the spirit matters, the body does not count, is not right. Therefore it is necessary that both mind and body be made fit vehicles first for the spirit to use.