The White Linen Nurse was so tired that her noble expression ached. Incidentally her head ached and her shoulders ached and her lungs ached and the ankle-bones of both feet ached quite excruciatingly. But nothing of her felt permanently incapacitated except her noble expression. Like a strip of lip-colored lead suspended from her poor little nose by two tugging wire-gray wrinkles her persistently conscientious sickroom smile seemed to be whanging aimlessly against her front teeth. The sensation certainly was very unpleasant.