Norbert the Norwegian Ridgeback.
The measures they had taken to protect their families made him realize, more than anything else could have done, that they really were going to come with him and that they knew exactly how dangerous that would be. He wanted to tell them what that meant to him, but he simply could not find words important enough.
Nothing's impossible if you've got enough nerve.
His scar burned, but he was master of the pain; he felt it, yet was apart from it.
Freshly caught Cornish pixies.
When Harry stood up again, the stone read: HERE LIES DOBBY, A FREE ELF.