The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
有时候最简单的设计反而是最稳健的。
以德行来排列位次,按官职来处理政事,按照劳绩来决定赏赐,衡量功勋二分给俸禄。 
唯一真正的爱是对真理的爱。