他兼通中西,兼通史学、哲学、政治学,人文素养与社会科学研究方法全面发展。他以探讨政治学理论主流的博士论文在西方一举成名,返国后又以少时的国学典籍功底和严格的社会科学训练功底,对中国数千年的政治思想史进行了开创性的梳理和总结;即便晚年去国离乡从事中国研究时,也以独特的视角和功底带给美国的中国研究一片新气象…… He is a master of both Chinese and western cultures, and enjoys common history. His philosophical, political science, humanistic accomplishments and methods of social science research have developed in an all-round way. His doctoral dissertation on the mainstream of political science theory became famous in the west. After returning to China, he returned to China with thousands of years of history of political thought by combing and summarizing the history of Chinese political studies ; Even when he went abroad to study in China in his later years, he also brought a new look to the study of China by the United States with a unique perspective and strength ...