我们今天种植的每一棵树都是为我们永远不会见到的后代留下的遗产。
英国女王伊丽莎白二世来华访问时想见他，他说
The only limits that exist are the ones you place on yourself.
Happiness is not something ready made. It comes from your own actions.
"The quest for efficient algorithms is a journey through the landscape of mathematical possibility."
The mystery of love is greater than the mystery of death.
The idea of legal responsibility is central to the concept of law.