Happiness cannot be pursued; it must ensue.

我不相信运气，我相信准备遇上机会。

蒸汽机是改善人类状况的最有力工具。

In business, you have to be willing to take risks. If you don't take risks, you won't achieve anything.

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。