Prongs rode again last night... You know, Harry, in a way, you did see your father last night... You found him inside yourself.

Your father is alive in you, Harry, and shows himself most plainly when you need of him. How else could you produce that particular Patronus? Prongs rode again last night.

But this is touching, Severus,” said Dumbledore seriously. “Have you grown to care for the boy, after all?”
“For him?” shouted Snape. “Expecto Patronum!”
From the tip of his wand burst the silver doe. She landed on the office floor, bounded once across the office, and soared out of the window. Dumbledore watched her fly away, and as her silvery glow faded he turned back to Snape, and his eyes were full of tears.
“After all this time?”
“Always,” said Snape.

There are much more terrible things than physical injury.

Bedaure nicht die Toten, Harry. Bedaure die Lebenden, und vor allem diejenigen, die ohne Liebe leben ...

I was afraid that your hot head might dominate your good heart