Fighting terrorism is not unlike fighting a deadly cancer. It can't be treated just where it's visible - every diseased cell in the body must be destroyed.
And when an architect has designed a house with large windows, which is a necessity today in order to pull the daylight into these very deep houses, then curtains come to play a big role in architecture.
Like many Catholics, I was very affected by the personality of Jesus and that impression, pious as it was, has stayed with me.