人的思想如一口钟，容易停摆，需要经常上紧发条。——威赫兹里特。

Man's thoughts such as a clock, easy lockout, requires constant wind.

youdao

人的思想如一口钟，容易停摆，需要经常上紧发条。——威赫兹里特。

Man's thoughts such as a clock, easy lockout, requires constant wind.

youdao