Developing a deep quality of interest is one of the keys to the whole art of concentration. Our steadiness is nourished by the degree of interest with which we focus our meditation ... Concentration combines full interest with a delicacy of attention. This attention should not be confused with being removed or detached. Awareness does not mean separating ourselves from experience; it means allowing it and sensing it fully ... As we learn to steady the quality of our attention, it is accompanied by a deeper and deeper sense of stillness -- poised, exquisite and subtle.
There is a silence of the tongue, a silence of the whole body, the silence of the soul, the silence of the mind, and the silence of the spirit. The silence of the tongue is merely when it is not incited to speech; the silence of the entire body is when its senses are unoccupied; the silence of the soul is when no ugly thoughts burst forth within it; the silence of the mind is when it is not reflecting on anything harmful; the silence of the spirit is when the mind ceases even from stirrings caused by created spiritual beings and all its movements are stirred solely by Being, at the wondrous awe of the silence which surrounds Being.