The city is the ultimate architectural challenge.

缺乏一个强大的国家对自由的威胁比存在一个强大的国家更大。

Automatic processes occur without intention, effort, or awareness, whereas controlled processes require attention and effort.

The more time I spent on maths, the more excited I got.

我们都是潜在的化石，仍然携带着我们过去的痕迹。

The purpose of mental activity is successful living.

预测未来的最好方法就是创造未来。