过去两个世纪最重要的政治发展是现代国家的崛起。
The most important political development of the last two centuries has been the rise of the modern state.
我们的力量来自于适应和进化的能力。
"The best stories are the ones that make you think, that stay with you long after you've finished reading them."
采矿业必须发展以满足不断变化的世界的需求。
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
合作是解决世界上最紧迫问题的关键。