原文 (英語)

PREFACE. The good friend who has so successfully terminated the task which he felt a vocation to undertake thought it would be of advantage to complete it by presenting to the reader a picture both of my life as a whole and of the work which it has been given me to accomplish. The better to accomplish his undertaking, he abstracted from my correspondence, as well as from the long conversations which we have so often enjoyed together, a great number of those memories of varying imp