心灵需要书本，就像一把剑需要磨刀石。

I think the best stories are the ones that leave you with more questions than answers.

I'm not worried about what other people think. I just go out there and do my best.

Words are wise men's counters, they do but reckon by them; but they are the money of fools.

要快乐，我必须拥有我的书和一片天空。

人工智能中逻辑系统的研究不仅仅是形式化，更是理解推理的本质。