唯女子与小人为难养也，近之则不逊，远之则怨。
只有女子和小人最难相处，亲近了，他们说你不庄重；疏远了，他们又会怨恨你。
"The only way to deal with the unfree world is to become so absolutely free that your very existence is an act of rebellion."
The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.
