The value of an economic model lies in its ability to explain and predict.
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
预测是非常困难的，尤其是关于未来。
The curious paradox is that when I accept myself just as I am, then I can change.
To any artist, worthy of the name, all in nature is beautiful, because his eyes, fearlessly accepting all exterior truth, read there, as in an open book, all the inner truth.
商业成功源于比任何人都更了解客户。