The most direct, and in a sense the most important, problem which our conscious knowledge of nature should enable us to solve is the anticipation of future events, so that we may arrange our present affairs in accordance with such anticipation.
我们对自然的自觉认识所能解决的最直接且在某种意义上最重要的问题，是对未来事件的预测，以便我们能根据这种预测安排当前的事务。
我们畏惧的事情常常是我们自己促成。
In the state of nature, profit is the measure of right.
劳动力市场并非存在于真空中；它是由文化、政策和历史塑造的。
A true mathematician is always a student, always learning.