YOU SAID:

The human race, to which so many of my readers belong, has been playing at children's games from the beginning, and will probably do it till the end, which is a nuisance for the few people who grow up.

INTO JAPANESE

私の読者の多くが属する人類は、最初から子供のゲームで遊んでいて、おそらく最後までそれをするでしょう。

BACK INTO ENGLISH

Humanity, to which many of my readers belong, has been playing children's games from the beginning and will probably do it to the end.

INTO JAPANESE

私の読者の多くが属する人類は、最初から子供のゲームをプレイしており、おそらく最後までそれを行うでしょう。

BACK INTO ENGLISH

Humanity, to which many of my readers belong, has been playing children's games from the beginning and will probably do it to the end.