The key to credible causal inference is not just the method, but how well the method fits the question at hand.

领导力就是今天做出艰难的决定，以创造更美好的明天。

I seek the purity of architecture, stripping away all unnecessary decoration.

心理生活是一个整体，这一普遍说法在某种意义上可以被接受为真实的，即它是一个相互关联的整体。