Dude, the sign says fucking "SUPERMAN". How much more of a clue do these assholes want? How does that not sound awesome? But they're paralyzed by their fear - "But, that road looks hard to walk." It IS hard, dipshit, but that's what makes it worth it! Fuck.
http://www.philosophybro.com/2010/12/nietzsches-thus-spoke-zarathustra.html