I'm currently reading the book Elizabeth Street by Laurie Fabiano. I'm only a few chapters in, but the the book, which is based on true events. On Amazon.com, the book is described as, "both a fascinating immigrant story and an intimate portrait of how a first-generation American--and the author’s own great-grandmother--outwits one of the most brutal crime organizations of the early 20th century."
Without giving away too many details, there's a part in the book where an Italian immigrant is amazed at the tall structures "the American's" have built, referring to the sky scrapers of the early 1900s. The character's cousin tells him, "They [Americans] won't stop until they scratch the sun."
I thought that was a great line and could mean a lot of different things.