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。
The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.
永远不要低估微小改进的力量——它们会随着时间累积。
"The most important thing in a book is the story. The illustrations are there to support and enhance the story, not to overshadow it."
I don’t like to be afraid. I like to be fearless.
The study of consciousness must be free from all theoretical assumptions.
量入为出，储蓄投资。学习你需要学习的东西。