"Although many people think so, my personal observation is that many well-known Dharma posters have single characters in a row. And including Mr. Qi Gong, many of his works also have single characters in a row. Layout. So I doubt such a rule. "Hello yangmo1976! Please don't confuse general rules with special situations. The so-called "special situation" is an expression technique that is occasionally adopted by a certain calligrapher in order to activate the layout of a certain article. It must not be understood as a normal rule. …