In the menu for adding sections to Guides - either in an active Guide or in a template - it would be useful if the list distinguished between items not in the Guide vs. those that may appear multiple times.
Orthodox Bishop Hilarion Alfeyev: "To be a theologian means to have experience of a personal encounter with God through prayer and worship."
Ran into this just the other day trying to figure out which sections I had or had not already used.