对马克思列宁主义、毛泽东思想、邓小平理论的继承和发展是“三个代表”重要思想的理论渊源;对中国 传统文化的批判和继承是“三个代表”重要思想的文化渊源;对国际共产主义运动和党的历史经验的科学总结以及应 对新世纪挑战的深层思索是“三个代表”重要思想的实践渊源。 The inheritance and development of Marxism-Leninism, Mao Zedong Thought and Deng Xiaoping Theory are the theoretical origins of the important thinking of the ’Three Represents.’ The criticism and inheritance of Chinese traditional culture are the cultural origins of the important thinking of the ’Three Represents.’ The scientific summary of the campaign and the party’s historical experience as well as the deep thinking on coping with the challenges in the new century are the practical sources of the important thinking of the ’Three Represents.’