Zhi Nuo, an ancient Greek philosopher, was called "the father of paradox". He has four mathematical paradoxes that have been passed down to this day. He once said a famous saying: "The knowledge of the big circle is a little more than that of the small circle, but because the circumference of the big circle is longer than that of the small circle and the contact surface with the outside world is larger than that of the small circle, I feel more lacking in knowledge and need to study hard."
Mr. Tao Xingzhi, a people's educator, once said that he had eight good friends as helpers, which made him make fewer or even no mistakes. He made up a song, which is very pleasant to read: I have eight good friends who are willing to guide me in anything. If you want to ask your real name, what are the surnames of different names? What, why, who, what, when, where, where to go, like brothers.
There is also a western school whose name is called geometry in reverse. If you always ask the Eight Immortals Temple for advice, it is foolish and there are few mistakes. After becoming famous, Jack London, an American writer, received a courtship letter from a woman: "You are famous, and my position is lofty. Together, multiplied by omnipotent gold, it is enough for us to build a happy family that heaven can't match. " Jack London wrote back soon, and he replied beautifully: "According to the love formula you listed, I think it needs to be squared!" " But this square root is negative. "