What is the meaning of Confucius' 一以貫之 What is the meaning of Confucius' 一以貫之 yī yǐ guàn zhī 
Literary Chinese :孔子 禮記 論語 請問何謂孔子吾道一以貫之？曾子曰：唯；夫子之道忠恕而已矣。
The expression can be a verb, meaning using a principle to handle all kinds of affairs.