For example, the conch shell forms the same curve as a wave just before it breaks and if we put our ear to the shell, we can hear the sound of the ocean. Mantra cannot just be taken from a book and used by the initiate meditator. Mantra represent various aspects of different kinds of enlightened states which are preliminary to the ultimate state of total unification with The Great Spirit. Breathing is the link between us and the environment. When we die, it is the last function to cease.
Inhalation provides life force nourishment and lung expansion, while exhalation removes toxins.
In time the distinction dissolves, while the body is simultaneously energized and relaxed. Observe some of the prayers used by spiritual leaders or saints. In prayer, we ask to be better instruments of the Lord in serving others, in transforming our personality to a higher level of consciousness with such dominant qualities as love, joy, understanding, giving, forgiving, compassion, etc. Through repetition of prayer, these attributes or attitude changes actually manifest as we become humble, calmed, and centered. Through the practice of silence, many find more spontaneous and direct means of sharing with others.