No president who performs his duties faithfully and conscientiously can have any leisure.
现代世界把我们变成了消费者，消费是新的宗教。
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.
"If you can’t fly, then run. If you can’t run, then walk. If you can’t walk, then crawl. But whatever you do, you have to keep moving forward."
The poet is the one who listens to the world.
我喜欢与众不同，我不在乎别人是否喜欢。