数学的本质在于它的自由。

Life is not a puzzle to be solved, but a story to be lived.

The bird that would soar above the level plain of tradition and prejudice must have strong wings. It is a sad spectacle to see the weaklings bruised, exhausted, fluttering back to earth.

只依靠偏见的心灵将永远不稳定。

感觉不好也没关系。