Success in agriculture is measured not just in yield, but in the health of the soil and the community.

史记

选择理论忽略了大多数人类行为是基于习惯而非精心计算的决策这一事实。

"It's funny how you can forget everything except people loving you."

——1941年与美国外交官阿弗雷尔·哈里曼（Averell Harriman）的谈话

追求数学知识是一场永无止境的冒险，充满了挑战、惊喜和解决不可解问题的满足感。