“I have tired myself out with reading, and the fuzziness of my unsleeping brain makes for melancholy.”

“An unsleeping eye watches the steam pressure and steadily regulates the firing much more economically and patiently than the most experienced fireman.”

“It was this devotion, unfaltering and unsleeping to the causes he served, that accounts for the immense influence he exercised upon the whole course of events in the last twenty years.”