心理学家必须是一个公正的观察者。
可持续发展不再是可选项;对于任何负责任的矿业公司来说都是必需品。
The less secure a man is, the more likely he is to have extreme prejudice.
The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.