The writer must be a heretic, a questioner of all absolutes.
所有老人共同的大秘密是,在七八十年里,你真的没有改变。你的身体变了,但你一点都没变。
单一货币的最大优势在于消除了汇率不确定性并降低了交易成本。
The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
The mind is a complex system that can be analyzed at multiple levels.