Just been re-reading When We Were Very Young, and the lines in the last poem, Vespers, bring a tear to my eye every time:
Hush, hush, whisper who dares,
Christopher Robin is saying his prayers
I'm not sure why - I think it's the beauty of the innocence, the image of a lost world (the book is all nurses and stockings)?
In fact, just the title of the collection gives me a shiver.