You are here to learn the subtle science and exact art of potion-making. As there is little foolish wand-waving here, many of you will hardly believe this is magic. I don't expect you will really understand the beauty of the softly simmering cauldron with its shimmering fumes, the delicate power of liquids that creep through human veins, bewitching the mind, ensnaring the senses. . . I can teach you how to bottle fame, brew glory, even stopper death — if you aren't as big a bunch of dunderheads as I usually have to teach.

You can exist without your soul, you know, as long as your brain and heart are still working. But you’ll have no sense of self anymore, no memory, no . . . anything. There’s no chance at all of recovery. You’ll just — exist. As an empty shell. And your soul is gone forever . . . lost.

Dark times lie ahead of us and there will be a time when we must choose between what is easy and what is right. -Albus Dumbledore

But I was willing to embrace mortal life again, before chasing immortality.

The difficult thing, the glorious thing, was to be who you really were, even if that person was cruel or dangerous, particularly if cruel and dangerous. There was courage in not distinguishing the animal you happened to be. On the other hand, you had to avoid pretending to be more of an animal than you were: take that path, start exaggerating or faking and you became just another Cubby, just as much of a liar, a hypocrite

Don’ you worry, Harry. You’ll learn fast enough. Everyone starts at the beginning at Hogwarts, you’ll be just fine. Just be yerself. I know it’s hard. Yeh’ve been singled out, an’ that’s always hard. But yeh’ll have a great time at Hogwarts — I did — still do, ’smatter of fact.

You must accept the reality of other people. You think that reality is up for negotiation, that we think it's whatever you say it is. You must accept that we are as real as you are; you must accept that you are not God.