煤炭的未来不在于数量，而在于我们能否清洁高效地利用它。
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
你怀疑别人，别人也就会怀疑你，你提防别人，别人也就是提防你，
不了解敌情，不可以行军打仗，不熟悉洋人的情况，不可以远谋。
To be able to find joy in another's joy: that is the secret of happiness.
法律即理性，应当摆脱激情。
Your work will be endless， but your time is finite. You cannot limit the work so you must limit your time. Hours are the only thing you can manage.
科学中最重要的就是不要害怕提出问题。
采矿的可持续性不是一种选择，而是我们的经营许可证。