“Sure. Knock yourself out. No, really. Hammer to the head, works every time.” Claire”
“He grinned, making sure to flash his straight, gleaming teeth, every last one of which I wanted to knock out of his head”
“Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago.”
“Knock yourself out.”
“Knock and it shall be opened.' But does knocking mean hammering and kicking the door like a maniac?”
“Knock yourself out... Or rather, don't.”