大萧条是二十世纪的决定性宏观经济事件，它引发了对宏观经济理论和政策的根本性重新思考。
在寻找真理的过程中，没有最终的答案，只有更好的问题。
When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.
Train people well enough so they can leave, treat them well enough so they don't want to.
Understanding is the foundation of all wisdom.
If you're not failing occasionally, you're not pushing hard enough.
The power of a computational model is not just in its ability to compute, but in its ability to generalize from specific instances.