演讲者应让听众充分相信，他已竭尽全力为他们带来愉悦与教益。

你知道得越多，理解得越少。

行动是正确的，因为它们倾向于促进幸福；错误是因为它们倾向于产生与幸福相反的结果。

You can't manage what you don't measure, and you can't improve what you don't manage.

In agriculture, patience isn’t just a virtue—it’s a necessity.

We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.

出自孟郊《登科后》，郦波在讲解中分析了其历史背景与情感表达。