吾思即吾剑。我的兄弟有他的长剑、国王罗伯特有他的战锤，而我有的是脑子……头脑要阅读才能保持清醒，就像剑要磨才锋利一样。
My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
Innovation in mining isn't just about technology; it's about changing mindsets.
可持续性不仅仅是保护环境，更是创造一个对所有人都有利的系统。
创造力的发动机是提出一个问题：“一定要这样吗？” 政治改革、科学发展、关系改善以及更好的书都是提出这个问题后出现的。《哲学的慰藉》