The problem with quantitative easing is that it works in practice but it doesn't work in theory.
量化宽松的问题在于它在实践中有效，但在理论上却行不通。
The past is a shadow, always following, but never catching up.
在未来的竞争中，只有那些能够持续创新并快速适应市场变化的企业才能生存和发展。
I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.
【释义】：做很多事却少有成效，不如专心做好一件事情。
The more we learn about our past, the better we understand our present.