写文章必须溯源经典，并参考诸子史书，这样才能自成一家而不因袭前人。

Even in the grave， all is not lost.

The real competition is not between companies, but between different visions of the future.

意识是一个过程，而非物质。

If you don’t believe in yourself, no one else will.

道德的基础是对他人的同情。

投资更清洁的煤炭技术是对能源未来的投资。