Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

每当我看到一个成年人骑着自行车，我就不再对人类的未来感到绝望。

-- H. G. Wells 赫伯特·乔治·威尔斯