The greatest glory in living lies not in never falling, but in rising every time we fall.
Everyone is a part of the universe.
In chemistry, as in life, the most transformative reactions often require patience and precise conditions.
The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.
我们不讲述的故事往往是最重要的。
煤炭企业要主动适应能源结构调整,加快转型升级。