張載宇2014-10-272014-10-271982-06-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/17105Dr. Sun Yat-sen, our Founding Father, recongnizing the 20th century as the age that would synchronize the three problems of Nationalism, Democracy and Livelihood and wait for solution, created the Three Principles of the People as an instrument for constructing the new world. The late President Chiang Kai-shek augmented Dr. Sun Yat-sen's thoughts by explaining the foundation of the Three Principles of the People through "humanity", "justice" and "legality". He also pointed out that the spirit "of the people, by the people, for the people" embodied in the Three Principles of the People was consistent with the ideal of "freedom", "equality" and "compassion". In addition, the late president revealed the truth of "ethics", "democracy" and "science".This article is divided into five chapters. The first chapter is to expound the origin of the thought of the Three Principles of the People through. "humanity" "justice" and "legality". The second chapter is to explain the consistent spirit of the Three Principles of the People through "freedom" "equality" and "com-passion". The third chapter is to augment the final cause of the Three Principles of the people through the concept "of the people, by the people, for the people". The fourth chapter is to explore the necessary course of the Three Principles of the People through "ethics" "democracy" and "science". The fifth chapter is a practical comparison between the accomplishments of implementing the Three Principles of the People on Taiwan, ROC and the practice of Communism on mainland China. The results affirm the value of the Three Principles of the People.三民主義新世界