Inspiration is a guest that does not willingly visit the lazy.
I don't like to categorize music.
过去并非直线,而是错综复杂的网。
统计学家不能推卸理清科学推断原理的责任,同样,任何其他思考者也必须承担类似的义务。
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.