The key to credible causal inference is not just the method, but how well the method fits the question at hand.
翻译:物质的富足填补不了精神的空虚,真正的富有是内心的充盈,知足方能常乐。
A company's true value is measured by its impact on society, not just its balance sheet.
最好的模型是能够解释数据的最简单模型。