一本好书是能改变你的书，哪怕只是一点点。
The best stories are those that disturb us, that force us to question our certainties.
Mathematics is the key to unlocking the secrets of the universe and understanding the fundamental laws that govern it.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
想让小孩子在旅行中表现良好，可以准备一袋他们喜欢的糖果，当他/她不乖时，就向窗外扔掉一块糖。
