一八一四年，俄、奥、普联军兵临巴黎城下，理工学校学生要求参战。后来，这句名言被刻在巴黎理工学校梯型大教室的天花板正中心，一直激励着该校师生奋发好学。

"Leadership is not about being in charge. It's about taking care of those in your charge."

"The worst lies are the ones we tell ourselves."

Understanding the behavior of complex systems requires a new kind of thinking, one that embraces uncertainty and unpredictability.

The greatest discoveries in mathematics are those that unify seemingly unrelated ideas.