技术应该为人类服务，而不是反过来。

Deep into that darkness peering, long I stood there wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before.

The best way to learn is by doing, not just by listening or reading.

In coal, efficiency today defines existence tomorrow.

Human existence is a small yet unique manifestation in the cosmos; we should cherish and excel in our limited lives.”

I'm the reason your clock won't tick.