It's hard to keep reaching toward your dream when you're faced with rejection at every turn. But if you look at the lives of so many famous people—from Albert Einstein to J.K. Rowling—you'll see that they, too, faced disappointment and rejection over and over again. But from being the most recognized faces in cinema, sports, and literature, they've proven one big point: Don't let a bunch of “Nos” get in the way of you pushing for what you believe in!