The system produces needs faster than it can satisfy them.
Knowledge is represented in the mind as symbolic structures.
应对混乱的唯一方法是拥抱它。
最好的投资是那些正在建设未来的人。
"We are all made of starstuff, and it's our destiny to explore the stars."
"The only thing that is truly powerful is the human spirit."
相关系数的可能误差不是可以从第一原理推导出来的东西,而是必须通过经验找到的。