The best performance improvement is the transition from the nonworking state to the working state.

文明的分布并非偶然，而是遵循与气候条件密切相关的明确规律。

"History is not just about kings and queens; it's about ordinary people and their extraordinary lives."

艺术不是关于答案，而是关于问题。

I believe in hard work and persistence.

Science is a wonderful thing if one does not have to earn one's living at it.

世界不一定要这样。事情可以不同。