Human behavior is part of nature and can be studied by the methods of natural science.
人类行为是自然的一部分，可以通过自然科学的方法来研究。
The path to sustainability is paved with both challenges and opportunities.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
The soul is placed in the body like a rough diamond, and must be polished, or the luster of it will never appear.
失败只是通往成功的垫脚石。它不是终点，只是旅程的一部分。
"The only way to make sense out of change is to plunge into it, move with it, and join the dance."
A man can be happy with any woman as long as he does not love her.
所以，爱的人啊，入睡吧，我知道爱，我知道我被你所爱。
The moment you give up is the moment you lose.
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。
