“Rule number one of the wizarding business. Never let them see you sweat. People expect us to know things. It can be a big advantage. Don’t screw it up by looking like you’re as confused as everyone else. Bad for the image.”

“We all screw up. Everyone makes mistakes. That’s what she did. It was bad judgment, that’s all. You don’t cut off the people you love for mistakes like that.”

“The only things people can ever know about you are the ones that you let them see”

“Rules and Things Number 63: Never, Ever Say Something Bad About Someone You Don't Know--Especially When You're Around a Bunch of Strangers. You Never Can Tell Who Might Be Kin to That Person or Who Might Be a Lip-Flapping, Big-Mouth Spy.”

“You are not alone. You are instead lonely. There is loneliness as can exist only in the midst of numbers and numbers of people who don’t know you, who don’t care about you, who won’t let you care about them.”

“Some people say, “Never let them see you cry.” I say, if you’re so mad you could just cry, then cry. It terrifies everyone.”