译文：祖国沉沦每个人都有责任，我在天涯漂泊没有家。

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

The mind once enlightened cannot again become dark.

The best edits are the ones you don't notice; they flow so naturally that the audience is completely immersed in the story.