We use mathematics to understand the markets, not to predict them.

我相信建筑是一门实用艺术。要成为艺术，它必须建立在必要性的基础上。

Ask the Possible of the Impossible,“Where is your dwelling-place？”“In the dreams of the impotent.”comes the answer.

在数学中，你并不理解事物。你只是习惯了它们。