“天有不测风云,人有旦夕祸福。”一直健壮如牛的身子,突然腰痛了起来,剧烈的疼痛,使我躺在病床上蜷缩成了一张弓。于是只好走进那不想去,但又不得不去的地方——医院。经医生检查诊断是肾结石,必须开刀。校领导和同行们都跑来看我。教师们有的为我打抱不平,说,这是吃粉笔灰太多的缘故,结石是教师的一种职业病,应当按工伤待遇; “There are unexpected things happening in the sky, people have good and bad fortunes.” Has been robust as a cow’s body, suddenly low back pain, severe pain, so I lay in bed curled up into a bow. So had to go that do not want to go, but had to go to the place - the hospital. The doctor checks the diagnosis of kidney stones, must be surgery. School leaders and colleagues came to see me. Some teachers have patience for me, saying that this is too much to eat chalk because the stone is an occupational disease of teachers, treatment should be based on injury;