质量从来不是偶然的；它始终是智慧努力的结果。
Quality is never an accident; it is always the result of intelligent effort.
做出伟大工作的唯一方法就是热爱你所做的事情。
I am not wise, but I have learned a great deal simply by staying alive.
煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。
Life has taught me to think，but thinking has not taught me to live.