Quote from Dwight K. Schrute in The List
Jim: No one should be planking at all. Andy: Thank you, yes. Dwight, my enforcer, my number two, can you take care of this? Dwight K. Schrute: Say no more. [later, after Dwight attacks plankers:] Dwight K. Schrute: Kids, don't try planking. It's dangerous. ‘Specially with me around.