Build no shutters to a house when the man that has to live in it has a spark of imagination, else will he go stark raving mad before the mortar's dry.
Window shutters are window shutters, but they are the doors of Bedlam as well.

Now Gaydon should have slept in this room.

Gaydon's a great man.
Gaydon has a great deal of observation and common sense, and was never plagued with a flim-flam of fancies.

To be sure, I need Gaydon, but since I have not Gaydon, I'll light a candle." With that Wogan got out of bed.

He had made himself so secure with his key and his tilted chair and his shutters that he had not thought of placing his candle by his bedside.