"The difference between correlation and causation is fundamental in empirical work."
Westward the course of empire takes its way.
The only thing that is truly important is the love you give and receive.
预测未来的最好方法就是创造未来。
The poet is the conscience of the nation.
每座建筑都是原型。没有两座是相同的。
Sometimes the best ideas come from the most unexpected places.