They thought they should occupy their leisure more profitably.

他觉得更好利用空闲时间。

We should critically assimilate whatever is beneficial in literature and arts from other countries.

我批判吸收别国文学艺术中一切有益的东西。

We should devote ourselves assiduously and faithfully to the duties of our profession.

我勤奋且忠诚于我的职责。

You should do justice to everyone.

你公平对待所有的人。