“Here it comes," she said with an expression of pure bliss. "Drug rush ... any moment now ... the surge of warmth ... bye-bye, Mr. Pain...""Vee-""Knock, knock.""This is really important-""Knock, knock.""It's about Elliot-""Knock, knoooock," she said in a singsong voice. I sighed. "Who's there?""Boo.""Boo who?""Boo-hoo, somebody's crying, and it's not me!" She broke into hysterical laughter.”

“Knock, Knock!' [Puck] called in a high, singsong voice. For a moment, silence. Then came a thud and a crash, as if something heavy had been hurled at the door. 'Go away!' snaled the voice from within. 'Ah, no. That's not how the joke goes,' called Puck.'I say 'knock, knock', and you're supposed to answer with 'who's there?'' 'Fuck off!' 'Nope, that's still wrong”

“You have knocked at every door?" she asked."Yes.""Have you knocked at that one there?""No.""Knock there.”

“Drake comes over and sits on the arm of the couch, a Landon no-no. Figures. Drake can knock girls up, deform the furniture and no one says boo. What the hell did I ever do?”

“My,' she said. 'We're lucky that you found the place.'We're always lucky,' I said and like a fool I did not knock on wood. There was wood everywhere in that apartment to knock on too.”

“There came one and knocked at the door of the Beloved.And a voice answered and said, 'Who is there?'The lover replied, 'It is I.''Go hence,' returned the voice;'there is no room within for thee and me.'Then came the lover a second time and knocked and again the voice demanded,'Who is there?'He answered, 'It is thou.''Enter,' said the voice, 'for I am within.”