" Not only should you be testing your project as you create it, you must most seriously test your creation as it begins to resemble a final product. So you know what you have—so you can improve it. So you know what you have—so that you might figure out what to do with it. So you know what you have—so you can adjust your expectations. "

― Ryan Holiday , Perennial Seller: The Art of Making and Marketing Work That Lasts