When the mind that is subtle goes out through the brain and the sense-organs, the gross names and forms appear; when it stays in the heart, the names and forms disappear.

写作对我来说就像呼吸一样——我必须靠它生存。

To do mathematics is to explore a universe of ideas, where the only limit is your imagination.

挑战在于将平凡变得非凡。