无政府状态是战争的允许性原因；它创造了一个国家必须依靠自助来确保生存的环境。
Anarchy is the permissive cause of war; it creates an environment in which states have to rely on self-help to ensure their survival.
There's a real correlation between a society that tells people that they can do anything, and the existence of low self-esteem. So that's another way in which something quite positive can have a nasty kickback. There is another reason why we might be feeling more anxious --about our careers, about our status in the world today, than ever before. And it's, again, linked to something nice. And that nice thing is called meritocracy.
Facing challenges requires courage to overcome difficulties and turn crises into development opportunities.
使用密码管理器吧：更安全、更简单、更好。
你的态度，而不是你的能力，将决定你的高度。
Innovation in energy must balance environmental responsibility with economic viability.
要理解一片森林，你必须倾听它——不仅用耳朵，还要用心。