I just want you to know, there are worlds out there, safe in the sky because of her. That there are people living in the light, and singing songs of Donna Noble. A thousand, million light years away. They will never forget her — while she can never remember.
As Amy and Rory looked at their daughter in her cot, Amy pulled something from her pocket to dab Melody’s chin and realised it was the prayer leaf; she told the baby, "You keep hold of this now. It will always keep us together."
-fr. The Doctor Who Companion: A Good Man Goes To War original script
Doctor Who Series 6: A Good Man Goes To War
I have a couple things (posters, books, pins, etc.) but my favorite? That comes down to two things:
1. My TARDIS slippers
2. My new coffee cup