| On the basis of Marxism's ethical thought, the paper analyses the Dai Zhen's ethical thought. The theory of human nature is the base of theory of Dai's ethical thought, he appraises that the theory of human nature of all schools in the history by his monism of vim-vigor and consciousness, then he holds the idea that the human nature has tendency to goodness. The analysis of logos and desire is the core of Dai's ethical thought, he holds that logos exists in desire, and advocates openly that desire is the motive force to the human sociaty. The theory of liberty is the theoretical destination of Dai's ethical thought, he confirms that desire is reasonable, and believes that human will get into inexorable state through natural state. Finally, the human finish the essence of liberty. |