The deepest problems in mathematics often arise from the simplest questions.

金融危机最重要的教训是，我们需要以更全面的方式思考系统性风险。

伟大的真理比我想象的还简单。

Half the skill of being educated is learning what you can ignore.

每个数学问题都有一个解决方案；只是需要时间和创造力来找到它。