从主席诗词“答友人”中划掉自己的名字乐天宇在华南热带植物研究所七八年,亚热带气候的影响,他得了严重的关节炎。组织上让他回北京,他成为中国林科院林业研究所的一名研究员。周恩来总理关心他,打听他的状况。不久,乐天宇接到通知,增补他为第三届全国政协委员。组织上的关心,他想到了周恩来、毛泽东。回想起延安时期,毛泽东听完关于烂泥洼的汇报后把他留下来。他们谈及九嶷山,还给毛主 Leaving his name from the chair poem “A Friend ” Le Tianyu suffered severe arthritis in the seventy-eight years of the subtropical climate at South China Institute of Tropical Botany. Organically let him back to Beijing, he became a researcher at the Chinese Academy of Forestry Institute of Forestry. Premier Zhou Enlai cared about him and asked him about his situation. Soon, Le Tianyu received a notice, adding him as the third member of the CPPCC National Committee. Organizational concerns, he thought of Zhou Enlai, Mao Zedong. In retrospect of the Yan’an period, Mao Zedong left him after listening to the report on the slough depression. They talked about Jiuyi Mountain and returned it to Mao Zedong