解决复杂问题的关键通常是找到正确的抽象,这种抽象可以在不丢失问题本质特征的情况下简化问题。
We must balance economic growth with environmental responsibility.
我们不必比别人更聪明,但必须比别人更有纪律性。
当你挑战现状并换一种方式思考时,创新就会发生。
永远不要放弃你的梦想,无论它们看起来多么不可能。
预见数学未来的真正方法是研究它的历史和现状。
A good book is a conversation between the author and the reader.
What's left out is as important as what's included.