不要等到一切都刚刚好。它永远不会完美。总会有挑战、障碍和不太完美的条件。所以呢？现在就开始吧。随着你迈出的每一步，你会变得越来越强大，越来越熟练，越来越自信，越来越成功。
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
To do things with words is not a special kind of doing， but a special kind of speaking.
死者不会停留在他们被埋葬的地方。
经济学方法为理解所有人类行为提供了一个有价值的统一框架。