世界不是一个愿望实现的工厂。
The only information we can legitimately derive from aesthetic and moral experiences is information about our own mental and physical make-up.
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.
我不是老师,我是学生。
无偿工作的价值在经济衡量中常常不可见,但它却是社会的支柱。