J.K. Rowling

Youth can not know how age thinks and feels. But old men are guilty if they forget what it was to be young.

As much money and life as you could want! The two things most human beings would choose above all - the trouble is, humans do have a knack of choosing precisely those things that are worst for them.

What would come, would come...and you would have to meet it, when it did.

"So top grade's O for 'Outstanding,'" Hermione was saying, "and then there's A-"
"No, E," George corrected her, "E for 'Exceeds Expectations.' And I've always thought Fred and I should've got E in everything, because we exceeded expectations just by turning up for the exams."

"The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution."

When in doubt, go to the library.

Just because it’s taken <i>you</i> three years to notice, Ron, doesn't mean no one <i>else</i> has spotted I'm a girl!

"A breeze ruffled the neat hedges of Privet Drive, which lay silent and tidy under the inky sky, the very last place you would expect astonishing things to happen. Harry Potter rolled over inside his blankets without waking up. One small hand closed on the letter beside him and he slept on, not knowing he was special, not knowing he was famous, not knowing he would be woken in a few hours' time by Mrs. Dursley's scream as she opened the front door to put out the milk bottles, nor that he would spend the next few weeks being prodded and pinched by his cousin Dudley...He couldn't know that at this very moment, people meeting in secret all over the country were holding up their glasses and saying in hushed voices: "To Harry Potter - the boy who lived!

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

I solemnly swear that I am up to no good.

According to Madam Pomfrey, thoughts could leave deeper scars than almost anything else.

You know, Minister, I disagree with Dumbledore on many counts...but you cannot deny he's got style...

It is a strange thing, but when you are dreading something, and would give anything to slow down time, it has a disobliging habit of speeding up.

Every second he breathed, the smell of the grass, the cool air on his face, was so precious: To think that people had years and years, time to waste, so much time it dragged, and he was clinging to each second.

"Albus Severus," Harry said quietly, so that nobody but Ginny could hear, and she was tactful enough to pretend to be waving to Rose, who was now on the train, "you were named for two headmasters of Hogwarts. One of them was a Slytherin and he was probably the bravest man I ever knew."