译文：借鉴前代兴衰，考察当下得失。《通鉴》的写作宗旨，直指现实关怀。

我不是天才，我只是比别人更努力。

The greatest threat to our planet is the belief that someone else will save it.

Being wise means having more questions than answers.

The ocean is not just a resource; it's a responsibility we must honor for future generations.

事实上，光的理论是我非常感兴趣的研究课题，我对光的本质形成了明确的看法。

The only way to be truly contemporary is to be untimely.