Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.

市场总是对的，它不在乎你的意见。

The most dangerous phrase in business is 'We've always done it this way.'

我们都只是路过，像雪地上的脚印一样留下自己的痕迹。

The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.