Lean in. Be all that you can be. Photo filters. Identity management. The quest for perfection has become a modern malady, correlating to increased rates of depression and anxiety. But there's a connection between medieval ideas and contemporary experiences, whether motherhood, body image, or social status. Today’s edition of IDEAS explores how conceptions of perfection — then and now — play out in the tumble of real-life experiences that can leave us scarred and doubting.