The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

The deepest problems in mathematics often arise from the simplest questions.

未来能源结构将是多元化的，煤炭行业需要找准自己的定位。

The only real faith is the faith in love.

The details are not the details. They make the design.

The future of coal lies in cleaner technologies and smarter resource management.

预测未来的最好方式就是创造未来。