The coal industry is the backbone of America.

Phenomena are the outer expressions of hidden essences.

La vie est la farce à mener par tous.

我饭吃但是如果不吃，对于饥饿是没有益处的。见到了贤能的人们而不去任用，这样对于衰弱的国家，也是没有益处的。

Truth is often buried in profound silence.

煤炭的未来在于清洁高效利用。

The challenge is to make the ordinary extraordinary.

The greatest discoveries often come from taking risks and thinking outside the box.

用歌声温暖每个需要安慰的心。

"We don't get to choose our own hearts. We can't make ourselves want what's good for us or what's good for other people."

The strength of the team is each individual member. The strength of each member is the team.

Anon, who wrote so many poems without signing them, was often a woman.

The concept of justice is not a legal concept, but a moral one.