不冒险就无法创造未来。
If you don't take risks, you can't create a future.
The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.
The laws of physics are the same everywhere in the universe.
The coal industry must evolve to meet modern environmental standards, or it will become obsolete.