The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive.

Mad Eye' Moody on the Avada Kedavra curse: "Not nice," he said calmly. "Not pleasant. And there's no counter curse. There's no blocking it. Only one known person has ever survived it, and he's sitting right in front of me.

Dumbledore lowered his hands and surveyed Harry through his half-moon glasses. 'It is time,’ he said, ‘for me to tell you what I should have told you five years ago, Harry. Please sit down. I am going to tell you everything.

A good first impression can work wonders

The ministry has fallen. Scrimgeour is dead. They are coming.

Time to sit down," Fred told Harry, "Or we're going to get run over by the bride.

To the Dark Lord, I know I will be dead long before you read this but I want you to know that it was I who discovered your secret. I have stolen the real Horcrux and intend to destroy it as soon as I can. I face death in the hope that when you meet your match, you will be mortal once more. R.A.B