跨行业合作是解决能源生产复杂挑战的关键。

一次不公的司法判决比多次不法的行为为祸尤烈。不法行为弄脏的不过是水流，而不公的判决则将水源污染了。

"If you're not enjoying writing it, the reader won't enjoy reading it."

It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied.

数学是一种超越文化和语言障碍的通用语言。