生命周期假说认为，个人会在一生中规划其消费和储蓄行为。

I find I'm so excited. I can barely sit still or hold a thought in my head. I think it the excitement only a free man can feel, a free man at the start of a long journey whose conclusion is uncertain. I hope I can make it across the border.I hope the Pacific is as blue as it has been in my dreams. I hope to see my friend, and shake his hand. I hope.

学校不应该只是一个学习的地方，而是一个激发学习的地方。

许多人认为他们在思考，实际上只是在重新整理他们的偏见。

在独裁统治下，时间停滞不前。