“I know. You know I know. I know you know I know. We know Henry knows, and Henry knows we know it. We're a knowledgeable family.”

“I know something you do not know. I am not left-handed either.”

“On Knowledge: You know that I know you know, but I want you to know that I know you know I know you know I know. It’s important for you to know that, you know?”

“I don't know how to describe it so I won't, but if you died and in your will you asked for your ashes to be spread gently on the Grand Canal at midnight with a full moon, everyone would know this about you - you loved and understood beauty.”

“Who are you?""No one of consequence.""I must know.""Get used to disappointment.”

“...You always know what to do, you always know exactly what to do, you always do exactly what's right for you, and the rest of the world can go hang..”

“You know that I know you know, but I want you to know that I know you know I know you know I know. It’s important for you to know that, you know?”