入门统计学课本一开始讲的几个要点之一，就是相关性不是因果性。这也是最先被忘记的要点之一。
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.
The future of forestry lies in balancing economic needs with ecological responsibility.
重要的不是你如何跌倒，而是你如何重新站起来。
The beauty of mathematics only shows itself to more patient followers.
释义：运气不好的时候，即使是黄金也会失去光泽；运气好的时候，连普通的铁也会发光。