Certification standards are meaningless without rigorous enforcement.
没有严格的执行,认证标准就毫无意义。
历史是一个庞大的预警系统。
"Books are the windows to other cultures."
No arts; no letters; no society; and which is worst of all, continual fear and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.