外交需要保持冷静和理智，不受情绪和个人偏见的影响。
某个命题可以从某一组公理通过某一规则系统推导出来，这一事实本身并不使其为真。
The most important thing in trading is to manage risk.
诗歌是无形在有形中的回声。
Order and simplification are the first steps toward the mastery of a subject.
Prejudices are what fools use for reason.
拍电影是一个合作的过程，我重视每个参与者的意见。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.