One of the first things taught in introductory statistics textbooks is that correlation is not causation. It is also one of the first things forgotten.
发现现象原因或真实假设的艺术,如同破译的艺术,其中巧妙的猜想常缩短道路。
不要追逐风,要造风车。
The best time to plant a tree was 20 years ago; the second best time is now.
The most important victories are the ones that come after the toughest defeats.
In a state, the liberty of one citizen is the liberty of all.
Good design is about solving problems, not just making things look nice.