写作就是呼吸,就是生活,就是存在。
"To write is to breathe, to live, to exist."
数学不知道种族或地理边界;对于数学来说,文化世界是一个国家。
Happiness is a state of mind, not a set of circumstances.
Leadership in agriculture means listening—to the land, the science, and the people who work it.