Quality is never an accident; it's the result of intelligent effort and relentless focus.
质量从来不是偶然的；它是智慧努力和持续专注的结果。
Never underestimate the importance of "useless" fundamental research.
最可持续的采石场是能够平衡生产和环境管理的采石场。
在商业上你必须无情，但同时也要公平。