采矿业的可持续性不是一种选择，而是我们对后代的责任。
Sustainability in mining isn't an option—it's a responsibility we owe to future generations.
The psychologist must avoid all forms of mental physics.
I don't believe in the concept of a 'leading man'. I believe in the concept of a 'leading human being'.
我对我们看事物的方式很感兴趣，这种方式总是在变化。
没有正义的自由是暴政。
一个人做了好事应当忘记，不要念念不忘，更不要希冀别人回报。