The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

薄：挑剔，贬低。訾：贬斥。贬低我商品的人，是想和我做生意；贬斥我品行的人，是想和我交朋友。

如果你想走得快，独自前行；如果你想走得远，结伴同行。