The only limit to our realization of tomorrow is our doubts of today.

Sustainability isn't a cost center—it's the ultimate competitive advantage.

Evolution is the greatest story ever told.

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

我不敢说数学和疯狂之间有直接关系，但毫无疑问，伟大的数学家都具有狂热的特质。