In science, there is no such thing as a final answer.
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
译文：抬头望去，看不到那繁华的景象。所谓的繁华，不过是虚幻杂乱的，而世人却贪恋不已。
如果我们现在不采取行动，下一代将继承一个资源更少、挑战更大的世界。
You better not run out on a check... The people that are working for three dollars an hour have to pay your bill