THE GEEKS HAVE INHERITED THE EARTH.Computer nerds are our titans of industry; comic-book superheroes are our Hollywood idols; the Internet is our night on the town. Clearly, geeks know something about life in the 21st century that other folks don’t—something we all can learn from. Geek Wisdom takes as gospel some 200 of the most powerful and oft-cited quotes from movies (“Where we’re going, we don’t need roads”), television (“Now we know—and knowing is half the battle”), l...