Marisha Pessl said this quote

“ I need to give you one last bit of advice in the off chance this rather extraordinary and enviable situation in which you find yourself is actually true- that somehow you've fallen deep down into a Cordova story. I stared back at him. Be the good guy, he said. How do I know I'm the good guy? He pointed at me, nodding. A very wise question. You don't. Most bad guys think they're good. But there are a few signifiers. You'll be miserable. You'll be hated. You'll fumble around in the dark, alone and confused. You'll have little insight as to the true nature of things, not until the very last minute, and only if you have the stamina and the madness to go to the very, very end. But most importantly- and critically- you will act without regard for yourself. You'll be motivated by something that has nothing to do with the ego. You'll do it for justice. For grace. For love. Those large rather heroic qualities only the good have the strength to carry on their shoulders. And you'll listen. ”