世界上最好的论点也无法改变一个人的想法。唯一能做到这一点的，是一个好故事。

自然是用数学语言写的。

唯一能让你不朽的是你自己的爱。

Mathematics is a living subject, constantly evolving and growing.

Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.