Those who make peaceful revolution impossible will make violent revolution inevitable.

坚毅的人把成就视为马拉松；他或她的优势是耐力。

"We are all broken, that's how the light gets in."

You don’t have to be the best, but you have to be the best you can be.

"I try to learn from every situation, whether it's positive or negative."

关系模型基于谓词逻辑和集合论。