The construction of intelligent mines is the future direction of the coal industry.

Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.

The best products come from a deep understanding of the problem, not just a desire to make something new.

Forests are the lungs of our planet; we must treat them with the respect they deserve.

Philosophy is the discipline that forces us to confront the questions we would most like to avoid.

我不睡觉，我只是让眼睛休息。