There are many famous sayings in the world, and there are also many famous sayings of great men. The most literary sentence I have ever seen is that the internal root of humor is not happiness, but sadness, which is a famous saying of comedian Chaplin. It can be seen from this sentence that master Chaplin, as a comedian, knows the essence of humor, which is why he is famous and why he became a master. Life as a whole is a tragedy, but if you enlarge every discontinuity.