No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
High-quality development in the coal industry must prioritize safety first.
Small changes in material design can lead to massive reductions in environmental impact.
权力不是给予你的。你必须自己去夺取。
Mathematics is the music of reason.
A good detective listens more than she talks.