记得毕业后有一次去看望童庆炳老师,坐在北师大他的家里,当时师母健在,高高兴兴地沏茶端水果,师母总是高高兴兴的样子,童老师总是微笑的样子,师母说话声音高低起伏,童老师说话声音从来是平静的。那一次童老师讲起环境对人的影响。童老师说他上大学时是一个严谨的学生,他的一个关系很好的同学有些自由散漫,童老师看不惯,经常批评这个同学。大学毕业后,童老师留校任教,这个同学参军。 I remember one time after graduation to visit Tong Qingping teacher, sitting at his home in the Beijing Normal University, when the mother is healthy, cheerfully tea fruit, the teacher is always cheery, Tong always smiling teacher, the mother Talking voice ups and downs, Tong teacher voice has always been calm. That child teacher talk about the impact of the environment on people. Tong said he was a serious student when he was in college. Some of his very good classmates were free and unhappy. Tong often criticized the classmates. After graduating from college, Tong teacher to teach in school, the students join the army.