生命诚可贵,道义价更高,“舍身取义”传唱千年,为了国家和民族,为了道义,无数仁人志士抛头颅酒热血,九死不悔。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.