The artist must be a warrior of the spirit.

The Langlands program is a framework for exploring the unity of mathematical thought.

Not life, but a good life, is to be chiefly valued.《克里托篇》

I can calculate the motions of the heavenly bodies， but not the madness of people.

眼睛看百步以内的东西，尚且没法看得一清二楚，而要把自己看见的就认为是实际有的，没有看见的就认为是没有的，这样的话天下所没有的东西，可就多了。