Life is a poem written in tears and laughter.
生命是一首用泪与笑写成的诗。
I always think about how to make batteries safer and more efficient.
The best mathematics is simple, but not too simple.
最成功的现代国家是那些能够利用市场力量,同时保持一个能够提供公共产品和规范私人活动的强大国家的国家。
We are all chapters in the great book of life.