The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

Sustainability is not just about technology, it's about creating a whole new ecosystem.

无色的绿色念头愤怒地睡觉。

海洋是生命的摇篮，也是人类未来的希望，我们要像对待母亲一样呵护她。