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科学中最令人兴奋的短语,预示着新发现的不是"我发现了!"而是"这有点奇怪..."
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
A great way to understand yourself is to seriously reflect on everything you find irritating in others. 
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
"The world is a book, and those who do not travel read only one page."
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.