创新不是对每件事都说“是”，而是对所有非关键特性说“不”。
Innovation in mining technology isn't optional - it's essential for our survival and growth.
The effects of policy changes are often more nuanced than simple economic models suggest.
我喜欢慢慢来，一步一步来。我不想在生活中急于求成。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.