Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

创造力是我们生活中意义的核心来源。

人类与牲畜之间的联系是历史上最古老、最重要的伙伴关系之一。

腐朽的木头无法雕刻。

The past is never dead. It's not even past.