Breathing is one internal function that the conscious mind can control with comparative ease. The effect of controlled breathing is almost like communication with all conscious parts of one's being saying to them, "Simmer down and listen; there is something beyond the turmoil". It is communication in action that often works when words merely go in one ear and out the other, not even changing the cognitive mind. In essence, the effect is to turn all the elements of our will toward stillness and waiting.
“Would you teach me silence?" I asked.
"Ah!" He seemed to be pleased. "Is it the Great Silence you want?"
"Yes, the Great Silence."
"Well, where do you think it's to be found?" he asked.
"Deep within me, I suppose. If only I could go deep within, I'm sure I'd escape the noise at last. But it's hard. Will you help me?" I knew he would. I could feel his concern, and his spirit was so silent.
"Well, I've been there," he answered. "I spent years going in. I did taste the silence there. But one day, Jesus came -- maybe it was my imagination -- and said to me simply, 'Come, follow me.' I went out, and I've never gone back."
I was stunned. "But the silence ..."
"I've found the Great Silence, and I've come to see that the noise was all inside.