Professor Ceng Shiqiang said who was the best user of Kungua in history?

It's about Zheng He in the Ming Dynasty. The principle of Kun Gua is authentic, official's wife's, and it is based on paying attention to morality, loyalty, harmony and indisputable. Zheng He is said because at different stages of his life, from humble position to ten thousand people under one person, he is very apt to every thought of Kun Gua, and achieved "Huang Shang, Yuanji" in the Sixth Five-Year Plan. Loyal to their duties, hardworking, meritorious, the last six years did not go to "Dragon Fight Wild" for the throne.