The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

Profit is important, but it should never come at the expense of our principles.

炼油的未来在于整合可再生解决方案，同时不牺牲效率。

纯粹经济学与纯粹政治学之间的桥梁是公共选择理论。

地球也是球形的，因为它从各个方向向中心施加压力。