在风光绮丽的北京大学校园内,几乎每天黎明之前,都会看到一位戴着深度近视镜的老人,甩开轻松的步伐,不停地奔跑着。“侯教授,和我们一起托排球吧!”一些二十几岁的青年人招呼他。老人的脚步并没有停止,他毫不气喘地摆摆手,对学生们说:“不行啊,你们的运动量太轻了!”他跑过操场,又跑到校园西南隅的“勺园”、碧波荡漾的未名湖畔,最后跑回到宿舍所在地—— In the beautiful campus of Peking University, almost every day before dawn, will see a senior wearing a myopia of the elderly, left the easy pace, kept running. “Professor Hou, play volleyball with us!” Some young people in their 20s greeted him. The old man’s pace did not stop, he waved his hand without hesitation, said to the students: “No ah, your exercise is too light!” He ran through the playground, went to the southwest corner of the campus “scoop garden” Bibo Wave of the unknown lake, and finally ran back to the dorm location -