数学的美在于它的普遍性。
The beauty of mathematics is that it is universal.
"The world is full of obvious things which nobody by any chance ever observes."
The best quarries don't just extract value; they create it through regeneration.
我不是一个喜欢坐着等待事情发生的人。我让事情发生。
家庭和睦是人生最快乐的事。
I never buy anything unless I can give a good reason why I think it will go up.