统治者的首要职责是保护社会免受其他独立社会的暴力和侵略，只有通过军事力量才能实现这一职责。
一年规划，没有比种植五谷更好的；十年规划，没有比种植树木更好的；终身规划，没有比培养人才更好的。
The study of automata and formal languages is fundamental to understanding the limits of computation.
Responsible forestry is not a choice, it's an obligation for all of us.《Forests of Tomorrow》
真实不再真实。
Security and privacy are fundamental to the trust that users place in the Internet.