J.K. Rowling

Snape's patronus was a doe,' said Harry, 'the same as my mother's because he loved her for nearly all of his life, from when they were children.

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

You can laugh! But people used to believe there were no such things as the Blibbering Humdinger or the Crumple-Horned Snorkack!

Where your treasure is, there will your heart be also

Harry and Hermione are very platonic friends. But I won't answer for anyone else, nudge-nudge wink-wink!

I WILL NOT TOLERATE MENTION OF YOUR ABNORMALITY UNDER THIS ROOF!

"I don't mean to be rude—" he began, in a tone that threatened rudeness in every syllable."Yet, sadly, accidental rudeness occurs alarmingly often," Dumbledore finished the sentence gravely.

The best of us must sometimes eat our words.

Even if I could, I wouldn't. Scars can come in handy. I have one myself above my left knee that is a perfect map of the London Underground.

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.

The mind is a complex and many-layered thing, Potter... or at least, most minds are...

My Head of House said I lacked certain necessary qualities...like the ability to behave myself.

I have gone temporarily deaf and haven't any idea what you said, Harry.

But Dumbledore says he doesn't care what they do as long as they don't take him off the Chocolate Frog cards.

Sometimes you remind me a lot of James. He called it my 'furry little problem' in company. Many people were under the impression that I owned a badly behaved rabbit.

Then she was kissing him as she had never kissed him before...and it was blissful oblivion, better than firewhisky; she was the only real thing in the world.

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

Oh well... I'd just been thinking, if you had died, you'd have been welcome to share my toilet.