How do you learn to not do insane things? How do you even know what is or isn't... impossible? The moment you step off a building and do not fall, either you're crazy, or the world is. Either way, you're no longer bounded by any rules.
Madness string 98336
He who fights with monsters should look to it that he himself does not become a monster. When you gaze long into the abyss the abyss also gazes into you.