如果没有革命军,中国的革命永远还是要失败。
《在陆军军官学校开学典礼的演说》(1924年6月16日)
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The coal industry is not just about digging rocks; it's about powering lives and fueling progress.