法律体系是根据其自身的有效性标准而有效的规则体系。
"The most dangerous prisons are those we build in our minds."
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
多线进化论是研究特定文化如何适应特定环境的进化过程。
The locus is the principle that gives meaning to the city.