Read as much as you possibly can. Nothing will help you as much as reading.

A chilly breeze that seemed to emanate from the heart of the forest lifted the hair at Harry's brow. He knew that they would not tell him to go, that it would have to be his decision. "You'll stay with me?" "Until the very end," said James.

Anyone can speak Troll. All you have to do is point and grunt.

Harry was speeding toward the ground when the crowd saw him clap his hand to his mouth as though he was going to be sick-he hit the field on all fours-coughed-and something gold fell into his hand. 'I've got the snitch!' he shouted, waving it above his head, and the game ended in complete confusion. 'He didn't catch it, he nearly swalloed it,' Flint was still howling twenty minutes later, but it made no difference-Harry hadn't broken any rules and Lee Jordan was still happily shouting the results-Gryffindor had won by 170 points to 60.

Er — have the Bludgers ever killed anyone?” Harry asked, hoping he sounded offhand. “Never at Hogwarts. We’ve had a couple of broken jaws but nothing worse than that. You don’t have to worry about the Quaffle or the Bludgers —” “— unless they crack my head open.” “Don’t worry, the Weasleys are more than a match for the Bludgers — I mean, they’re like a pair of human Bludgers themselves.

Gringotts was the safest place in the world for something you wanted to hide — except perhaps Hogwarts.

I speak now, Harry Potter, directly to you. You have permitted your friends to die for you rather than face me yourself. I shall wait for one hour in the Forbidden Forest. If, at the end of that hour, you have not come to me, have not given yourself up, then battle recommences. This time, I shall enter the fray myself, Harry Potter, and I shall find you, and I shall punish every last man, woman, and child who has tried to conceal you from me. One hour.