Words to remember

Was very much caught by surprise tonight with the news regarding Elisabeth Sladen.  As for many others here, she was one of the keystones of my Doctor Who experience.  At times like these, I invariably find myself quoting a line from Diane Duane's Deep Wizardry -- all the more appropriate here given that the third book in that series gives us a glimpse of the Doctor himself:

What's loved, survives.