If you want to keep something precious, you have to lock it up and throw away the key.
Anarchy is the permissive cause of war; it creates an environment in which states have to rely on self-help to ensure their survival.
我们行业的创新并不总是意味着高科技,有时是把基础工作做得更好。
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.