没有完美的知识可以称为我们与生俱来的；唯有从经验中获得的知识才是真正的知识。
There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.
Sustainability must be the cornerstone of modern quarry operations, not an afterthought.
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.
行为主义者眼中的心理学是自然科学的一个纯粹客观的实验分支。
所谓道德抑或不道德的书是不存在的。书就只有分写得好、写得差，仅此而已。
我认为作为演员你永远不能停止学习。