大国总是在寻找机会以牺牲对手为代价来获得权力，如果他们认为使用武力会带来战略优势，他们就会使用武力。

The mining industry must evolve with sustainability at its core, or we risk becoming obsolete.

Close the door. Write with no one looking over your shoulder. Don't try to figure out what other people want to hear from you; figure out what you have to say. It's the one and only thing you have to offer.

Everything we do here is important.

成功不在于成为最好的人，而在于激发他人的最佳表现。

在数学中，提出问题的艺术必须比解决问题更有价值。