That smile could end wars and cure cancer. Author: John Green Copy Quote More from John Green “The five of us walking confidently in a row, I'd never felt cooler. The Great P…” “I didn't know what to say to her - I was caught in a love triangle with one dea…” “It is so hard to leave-until you leave.” “Finally, I decided that the proper strategy was to stare back. Boys do not have…”