Some may look at that quote and say, "No, Tianne. How would this motivate you to want more when this implies you shouldn't want more but to appreciate what you have now." I say, yes, appreciate what you have but strive to improve your outlook and focus on surrounding the beauty that you have with positive influences. Be it making money, etc. So yes, you should want more to make the things in your life that you love and are better and beautiful.
Be open. Listen. Learn. But appreciate what you have now, not what you don't.