当最后一棵树被砍倒,最后一美元将失去意义。
当下总是不稳定的地方,而过去是我们自以为知道身在何处的地方。
The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.
The true power of microfinance is making the poor believe in their own potential.
那些疯狂到认为自己能改变世界的人,往往真的改变了世界。
狗是人类的朋友,因为它看人不分贵贱。
Life is too short to not take risks.