成功不是终点，失败不是致命的：重要的是继续前进的勇气。
Success is not final, failure is not fatal: it is the courage to continue that counts.
创作即抵抗。
The future of mining belongs to those who can balance profit with purpose.
We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.
物理学的美丽在于它能够用最深刻的理论解释最简单的现象。