只要对国家有利,即使牺牲生命也心甘情愿,绝不会因为自己可能受到祸害而躲开。
It all depends on how we look at things, and not on how they are themselves.
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.