没有永恒的事实，就像没有绝对的真理一样。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

What is necessary to change a person is to change his awareness of himself.

只有分子存在。其他一切都是社会学。

In the mining sector, we must balance economic growth with environmental stewardship to create long-term value.

The mind is a mosaic of elementary processes.

不要害怕犯错，但要快速从中学习。

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."