Don’t be afraid to fail, be afraid not to try.

The existence of the natural world is the same kind of fact as the existence of any proposition.

我们都同意你的理论是疯狂的。我们之间的分歧在于它是否足够疯狂以至于有可能正确。

The only thing I can rely on is my own perception, and that is always changing.

Opportunities are always reserved for those who are prepared.

同有修养的人交谈，胜过闷头读十年书。

现在是一个转瞬即逝的时刻，而过去是永恒的。

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