最令人兴奋的突破往往来自意想不到的地方。
The most exciting breakthroughs often come from unexpected places.
The essence of mathematics lies in its freedom.
The process of discovery is very beautiful.
自然知识的改进者绝对拒绝承认权威。对他来说,怀疑主义是最高的责任;盲目信仰是不可饶恕的罪过。