This book recalls the real scene of lectures delivered by Yun Daiying on the revolutionary activities in the early stage of Chinese revolution, thus very precious. Also, the book includes his relative Yun Xizhong's In Memory of My Father Yun Daiying, Yun Xiliang's Statement on the Publishing of Complete Works of Yun Daiying, Yun Mingqing's Forever Memory and other articles. These articles recall and tell the touching stories and revolutionary spirit of a pioneering leader from different perspectives.