I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.

心无杂念，行无妄动。

Economic progress depends on both new ideas and better implementation.

Innovation in coal mining isn't just about extraction—it's about doing it smarter, safer, and with greater respect for the environment.

你不由你的过去定义。