最好的发现是那些提出的问题比它们回答的还要多的发现。
经济发展的关键不仅在于价格正确,更在于制度正确。
We must be free not because we claim freedom, but because we practice it.
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.