The causal approach is about understanding the mechanisms that generate the data.
虚假的幸福使人变得刻薄和傲慢,而这种幸福从不传播。真正的幸福使他们善良和明智,而这种幸福总是分享的。
Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.