As Shonda Rhimes says, "It's hard work that creates change." We've rounded up 16 insightful quotes from kickass women who are experts in their field. Oprah Winfrey, Arianna Huffington, and more will push you toward greatness. Everyone has the potential; it's finding the willpower and determination that takes discipline. Read more of these empowering quotes to give you just the kick you need to stop dreaming and start doing!