"For close upon forty years I have been writing with one purpose; from time to time, I have fought for that which seemed to me the truth, perhaps still more, against that which I have thought error; and, in this way, I have reached, indeed over-stepped, the threshold of old age. There, every earnest man has to listen to the voice within: 'Give an account of thy stewardship, for thou mayest be no longer steward.