The human heart is a capacity for God. Prayer, then, is the development of the art of communion. We are called to develop the disciplines required for loving and open communion with God, the world, others, and ourselves. We need to recover the art of communion and so recover the universe as God's, and rediscover our roots in God, in the world, in one another, and in our inner selves.
In the Sahara one day, I climbed over a dune to descend into a deep bowl of sand. Sitting at the bottom I encountered for the first time absolute silence, stillness that is indivisible. For there are two silences: a silence can be no more than the absence of noise, it can be inert; or, at the other end of the scale, there is a nothingness that is infinitely alive, and every cell of the body can be penetrated and vivified by this second silence's activity.