科学不是形式逻辑——它需要思想的自由发挥，与其他任何创造性艺术一样。

The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.

Mathematics allows us to see the hidden structures that govern the world around us.

创新是企业发展的永恒动力，没有创新就没有未来。