数学家是能在定理间找到类比的人；更好的数学家能在理论间看到类比；而最优秀的数学家能注意到类比之间的类比。
可持续发展必须成为煤炭行业每个决策的核心。
If you're not willing to fail, you're not ready to succeed.
Challenges are the oven that tests our resilience; how we handle them defines our success.
写作就像在镜子前裸露灵魂，不惧怕它映照出的影像。
人通过克服困难而变得强大。
真正的可持续性在于将人类的欲望与地球的节奏对齐。
"A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world."