"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

Do every duty, and expect no reward for it.

能源的未来在于来源、技术和商业模式的多样化。

The real challenge in computer science is not to write programs, but to understand the nature of computation.

我对那些被遗漏的故事感兴趣。