back of the tapestry

Every artist works, like the Gobelins weavers, on the wrong side of the tapestry, and if now and then he comes around to the right side, and catches what seems a happy glow of colour, or a firm sweep of design, he must instantly retreat again, if encouraged yet still uncertain...

—Edith Wharton, "A Backward Glance," Delphi Complete Works of Edith Wharton (Delphi Classics, 4th edition, 2011)