Economic theory provides the tools, but real-world testing refines them.

Show me a hero and I'll write you a tragedy.

知识可以传达，但智慧不能。人们可以找到智慧，活在其中，通过智慧得到坚定，创造奇迹，但却无法传达和教授。

The placebo effect is a powerful testament to the mind's ability to affect the body, demonstrating the intricate connection between psychological states and physical health.

In business, as in farming, patience and persistence always outlast short-term gains.

最好的肥料是农民的影子。

史记