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.

我认为在生活中冒险很重要。如果你不冒险，你永远不会成长。

The world is full of stories, but the stories are all one.

The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

采矿业必须进化否则就会过时，没有中间地带。