Life would be infinitely happier if we could only be born at the age of eighty and gradually approach eighteen.   
拥有朋友的唯一方式就是成为别人的朋友。
Abstraction is the key to mathematics.
善于倾听是一种超能力。倾听你所爱之人的时候,多问问“还有什么?”,直到他们倾诉了所有。