A flower, from which book in Li Shutong?

Nothing in life can't be let go. Li Shutong, also known as Li Xishuang, Ang Lee and Li Liang, whose real name is Wen Tao, is a famous musician, art educator, calligrapher and drama activist, and one of the pioneers of China's drama. After he returned from studying in Japan, he worked as a teacher and editor. Later, he became a monk, and his legal name was Hongyi, and his legal name was Yixian. Later, he was honored as Master Hongyi. Li Shutong wrote in Nothing in Life that I can't let go: "When I think of flowers, I think of flowers. Put it down and feel at ease. "