The last words Albus Dumbledore spoke to the pair of us?'
Harry is the best hope we have. Trust him.

I am sorry too," said Lupin. "Sorry I will never know [my son]... but he will know why I died and I hope he will understand I was trying to make a world in which he could live a happier life.

All was well.

Ginny!" said Mr. Weasley, flabbergasted. "Haven't I taught you anything? What have I always told you? Never trust anything that can think for itself if you can't see where it keeps its brain?

You think I'm a fool?" demanded Harry.
"No, I think you're like James," said Lupin, "who would have regarded it as the height of dishonor to mistrust his friends.

Course Dumbledore trusts you,” growled Moody. “He’s a trusting man, isn’t he? Believes in second chances. But me — I say there are spots that don’t come off, Snape. Spots that never come off, d’you know what I mean?