(...) wizards still have not found a way of reuniting body and soul once death has occurred. As the eminent wizarding philosopher Bertrand de Pensées-Profondes writes in his celebrated work A Study into the Possibility of
Reversing the Actual and Metaphysical Effects of Natural Death, with Particular Regard to the
Reintegration of Essence and Matter: “Give it up. It’s never going to happen.

Albus Dumbledore had gotten to his feet. He was beaming at the students, his arms opened wide, as if nothing could have pleased him more than to see them all there.
"Welcome!" he said. "Welcome to a new year at Hogwarts! Before we begin our banquet, I would like to say a few words. And here they are: Nitwit! Blubber! Oddment! Tweak!"
"Thank you!"
He sat back down. Everybody clapped and cheered. Harry didn't know whether to laugh or not.
“Is he — a bit mad?” he asked Percy uncertainly.
"Mad?" said Percy airily. "He's a genius! Best wizard in the world! But he is a bit mad, yes. Potatoes, Harry?

Why would I go looking for someone I know wants to kill me?

Killing is not so easy as the innocent believe.

And Death spoke to them —’”
“Sorry,” interjected Harry, “but Death spoke to them?”
“It’s a fairy tale, Harry!”
“Right, sorry. Go on.

And anyway, it’s not as though I’ll never see Mum again, is it?