Please read more from Google Books here: http://tinyurl.com/bf94bhg
Here is another thought from Dr. Lewis from a letter to Sister Penelope CSMV from Aug 16th. 49 The quote is from the Sisters own story:
The simile of Our Lord leading an old man down to age like an old horse brought tears to my eyes. I wish I had thought of it myself – sheer beauty.
Till We Have Faces 