'This adjustment, I say, must have been done, and done well; done
indeed for all Time, in the space of Time across which my machine
had leaped. The air was free from gnats, the earth from weeds or
fungi; everywhere were fruits and sweet and delightful flowers;
brilliant butterflies flew hither and thither. The ideal of
preventive medicine was attained. Diseases had been stamped out. I
saw no evidence of any contagious diseases during all my stay. And I
shall have to tell you later that even the processes of putrefaction
and decay had been profoundly affected by these changes.

'Social triumphs, too, had been effected. I saw mankind housed in
splendid shelters, gloriously clothed, and as yet I had found them
engaged in no toil. There were no signs of struggle, neither social
nor economical struggle. The shop, the advertisement, traffic, all
that commerce which constitutes the body of our world, was gone. It
was natural on that golden evening that I should jump at the idea of
a social paradise. The difficulty of increasing population had been
met, I guessed, and population had ceased to increase.

'But with this change in condition comes inevitably adaptations to
the change. What, unless biological science is a mass of errors, is
the cause of human intelligence and vigour? Hardship and freedom:
conditions under which the active, strong, and subtle survive and
the weaker go to the wall; conditions that put a premium upon the
loyal alliance of capable men, upon self-restraint, patience, and
decision. And the institution of the family, and the emotions that
arise therein, the fierce jealousy, the tenderness for offspring,
parental self-devotion, all found their justification and support in
the imminent dangers of the young. _Now_, where are these imminent