“As long as this attachment remains, it is impossible to make progress in perfection, even though the imperfection be very small. It makes little difference whether a bird is tied by a thin thread or by a cord. Even if it is tied by a thread, the bird will be held bound… it will be impeded from flying as long as it does not break the thread.” -            St John of the Cross,       Ascent of Mt. Carmel, Book One, 11.4.”