"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."

The bond market is the ultimate indicator of economic health.

我想解放美国，我希望人们为自己是谁而感到自豪。

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

你能做的最糟糕的事情就是假装成你不是的样子。

The market is always right. It doesn’t matter what you think; it matters what the market thinks.