出自《魏源集·都中吟十三首》。洋人的情况、技术和版图，我都了解得像万里大的手掌中玩米和沙子一样。知己知彼是兵家的策略，一定要知道谁主掌着典属国的职位。

创新的关键在于培养好奇心和实验的文化。

心理现象是大自然对生存问题的解决方案。

The computer is simply an instrument whose music is ideas.

The idea is more important than the object.

最好的传记是那些让读者感觉亲自遇见了传主的作品。

No matter how times change, good music can always move people.

"The difference between correlation and causation is fundamental in empirical work."

简单性并不先于复杂性，而是随之而来。