Seeking for Revolutionary Truth and Devoting His Whole Life to the Country——A Study of Deng Yanda's Purpose of Two Investigations Abroad

From the thirty newly-found letters sent to his wife Mrs Zheng Lizhen,which mainly discuss the revolutionary truth and ways to save the country and the people,we know Deng Yanda's purpose of going abroad for investigation.He had clear revolutionary thinking and firm devotion to the revolution,on which he based his political programme theoretically.