一切能被说出的都能够清楚地被说出,而我们不能谈论的,必须保持沉默。
理论物理学对物理学家而言,就像望远镜对天文学家一样重要。
数学是一门活生生的学科,不断演变和发展。
The study of cognition is the study of how human beings understand their world.
Leadership in agriculture means listening—to the land, the science, and the people who work it.