"I have been writing all my life, and even now I do not understand the faculty of composition; but this I do know, that the history of the circumstances under which most books are written would be a frightful picture of human suffering. How often is the pen taken up when the hand is unsteady with recent sickness, and bodily pain is struggled against, and sometimes in vain! How often is the page written hurriedly and anxiously,—the mind fevered the while by the consciousness that it is not doing justice to its powers!"