原文 (英語)

Preface. Looking Backward was a small book, and I was not able to get into it all I wished to say on the subject. Since it was published what was left out of it has loomed up as so much more important than what it contained that I have been constrained to write another book. I have taken the date of Looking Backward, the year 2000, as that of Equality, and have utilized the framework of the former story as a starting point for this which I now offer. In order that those who have not rea