I know the answer! The answer lies within the heart of all mankind! The answer is twelve? I think I'm in the wrong building.

The line plays as a comic deflation of grand, philosophical certainty. The speaker begins with the rhetoric of revelation—claiming a universal truth “within the heart of all mankind”—but abruptly lands on the banal, arbitrary “twelve,” then realizes they are literally in the wrong place. Schulz often used this kind of bait-and-switch to puncture pretension and show how easily people confuse profound questions with mundane tasks, or mistake confidence for understanding. The humor also hints at modern anxiety: we want a single, elegant answer to life’s complexity, yet our conclusions may be shaped by context, misunderstanding, or simple misdirection.