The real challenge in mining is not just extracting resources, but doing it sustainably while creating value for all stakeholders.

很可能还会发明出其他几种辅助视觉的工具，它们超越现有工具的程度，就像现有工具超越肉眼一样。

The only way to learn a new programming language is by writing programs in it.

我不完美，但我始终是我自己。