1
Your mother died to save you. If there is one thing Voldemort cannot understand, it is love. Love as powerful as your mother's for you leaves it's own mark. To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever.J.k. Rowling

2
He didn't realize that love as powerful as your mother's for you leaves its own mark.J.k. Rowling

3
It does not do to dwell on dreams and forget to live.J.k. Rowling

4
There is no good and evil, there is only power and those too weak to seek it.J.k. Rowling

5
To the well-organized mind, death is but the next great adventure.J.k. Rowling

6
There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them.J.k. Rowling

7
Call him Voldemort, Harry. Always use the proper name for things. Fear of a name increases fear of the thing itself.J.k. Rowling

8
That's chess! " snapped Ron. "You've got to make some sacrifices!J.k. Rowling

9
You haven't got a letter on yours, " George observed. "I suppose she thinks you don't forget your name. But we're not stupid-we know we're called Gred and Forge.J.k. Rowling
10
Now, you two — this year, you behave yourselves. If I get one more owl telling me you've — you've blown up a toilet or —""Blown up a toilet? We've never blown up a toilet."" Great idea though, thanks, Mum.J.k. Rowling

11
I hope you're pleased with yourselves. We could all have been killed - or worse, expelled. Now if you don't mind, I'm going to bed.J.k. Rowling
12
Can't stay long, Mother, " he said. "I'm up front, the prefects have got two compartments to themselves-"" Oh, are you a prefect, Percy?" said one of the twins, with an air of great surprise. "You should have said something, we had no idea."" Hang on, I think I remember him saying something about it, " said the other twin. "Once-""Or twice-"" A minute-"" All summer-"" Oh, shut up, " said Percy the Prefect. .J.k. Rowling
13
Alas! Earwax!J.k. Rowling

14
Everybody finished the song at different times. At last, only the Weasley twins were left singing along to a very slow funeral march.J.k. Rowling
15
Do you mean ter tell me, " he growled at the Dursleys, "that this boy–this boy! –knows nothin' abou'–about ANYTHING?"Harry thought this was going a bit far. He had been to school, after all, and his marks weren't bad." I know some things, " he said. "I can, you know, do math and stuff.J.k. Rowling
16
Fred, you next, " the plump woman said. "I'm not Fred, I'm George, " said the boy. "Honestly, woman, you call yourself our mother? Can't you tell I'm George?" "Sorry, George, dear." "Only joking, I am Fred, " said the boy and off he went.J.k. Rowling
17
Which way did they go, Peeves?" Filch was saying. "Quick, tell me." "Say 'please.'" "Don't mess with me, Peeves, now where did they go?" "Shan't say nothing if you don't say please, " said Peeves in his annoying singsong voice. "All right- PLEASE." "NOTHING! Ha haaa! Told you I wouldn't say nothing if you didn't say please! Ha ha! Haaaaaa! " And they heard the sound of Peeves whooshing away and Filch cursing in rage.J.k. Rowling
18
They heard the click of the mail slot and flop of letters on the doormat. "Get the mail, Dudley, " said Uncle Vernon from behind his paper. "Make Harry get it."" Get the mail, Harry.""Make Dudley get it."" Poke him with your Smelting stick, Dudley.J.k. Rowling

19
No, thanks, " said Harry. "The toilet's never had anything as horrible as your head down it– it might be sick." Then he ran, before Dudley could work out what he'd said.J.k. Rowling

20
I never know, " Harry called to Hagrid over the noise of the cart, "What's the difference between a stalagmite and a stalactite?"" Stalagmite's got an 'm' in it, " said Hagrid.J.k. Rowling