J. K. Rowling

Never trust anything that can think for itself if you can't see where it keeps its brain.

Hearing voices no one else can hear isn't a good sign, even in the wizarding world.

His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof.

The best of us must sometimes eat our words.

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

Fear of a name increases fear of the thing itself.

It is our choices...that show what we truly are, far more than our abilities.

You sort of start thinking anything's possible if you've got enough nerve.

Indifference and neglect often do much more damage than outright dislike.

Ah, music. A magic beyond all we do here

It does not do to dwell on dreams and forget to live.

To the well-organized mind, death is but the next great adventure.

There are some things you can't share without ending up liking each other.

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