Peanuts by Charles Schulz for August 25, 1955
Snoopy sits sleeping as Shermy and Charlie Brown stand watching. As Shermy watches curiously, Charlie Brown says, "Watch this.."(BR) (BR) He leans towards Snoopy and asks, "Psst...Snoopy...do you want a piece of candy?"(BR) (BR) Snoopy, still sleeping, thumps his tail in response as Charlie Brown smiles.(BR) (BR) Charlie Brown points to him and declares, "The sub-conscious mind in action!" Shermy smiles.(BR) (BR)
That’s a neat trick.