你的快乐不在于城市的七十个奇迹，而在于它对你的一个问题所给出的答案。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

I believe in the power of love and music to change the world.

在代数中，两个量的相等性通过方程来表达。