做数学就是探索一个思想的宇宙，唯一的限制是你的想象力。
To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
The most effective leaders are those who focus on the long-term success of their organization.
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。