现实与幻觉之间的界限常常模糊不清。

Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.

用你所拥有的，在你所在的地方，做你能做的事。

The function of a system of hypotheses is to warn us beforehand what will be our experience—to enable us to make accurate predictions.

那双曾经属于我的珍贵的手。