心理活动总是朝向某个目的。

We must balance the need for energy security with the imperative of reducing emissions.

"A good book is a magic gateway into a wider world of wonder, of joy, of meaning."

There is more than one kind of freedom... Freedom to and freedom from. In the days of anarchy, it was freedom to. Now you are being given freedom from. Don't underrate it.

理解问题是解决问题的一半。

时间在被小齿轮滴答作响时是死的；只有当钟停止时，时间才会复活。