There is no progress in prayer without progress in faith, a purification of faith. And this entails the removal of all the props which depend on human endeavor, human reasoning, signs and the rest. It is the naked faith which is a terrifying experience and yet is the meeting point ultimately between God and ourselves in the depth of our being. This experience of the purification of faith is not normally one which comes early in the spiritual life. We must learn to wait.
At the empty nest turning point of middle age, something arose in me, and my journal became full of entries about being alone. I discovered that two entries written 10 years apart were almost identical. I had not yet learned to dignify "alone" with the name of Solitude, but I knew what I wanted, what I needed—as if my life was depriving me of something as essential as the air I breathed.