The world is full of people who will tell you what you can't do. You don't need them. You already know what you can't do. What you need is someone to tell you what you can.

The desire for recognition, the thymotic part of the soul, is the most fundamentally human part of the human personality.

Sustainability in mining isn't an option—it's a responsibility we owe to future generations.

写作的行为需要不断地潜入过去的阴影中，在那里时间像幽灵一样徘徊。

庆祝你的成功。在失败中找到幽默。不要把自己看得太严肃。放松，你周围的人也会放松。享受乐趣。总是表现出热情。

Security is not a product, but a process.

我必须研究政治和战争、挂毯和瓷器。