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We are all bound by the social contract to obey the laws， but we also have the right to participate in making those laws.

最重要的是你要有一個北極星，你必須知道自己要去哪里。

We must be vigilant and resolutely fight against all enemies, both internal and external.

煤炭的未來在于更清潔的技術和更智能的資源管理。

激發生命，讓生命自由發展，這是教育者的首要任務。