数学家是能在定理间找到类比的人；更好的数学家能在理论间看到类比；而最优秀的数学家能注意到类比之间的类比。
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
The writer is either a practicing recluse or a delinquent, guilt-ridden one.
质量不是巧合；它是一种结果。
心理事件确实无法以其真实本质被我们认知，而只能通过其效应来了解。
生活不是发现自我，而是创造自我。