认知过程是符号结构的规则支配的转换。

There is a way to be good again.

我不害怕失败，我害怕不去尝试。

Civilization will not last, freedom will not survive, peace will not be kept, unless a very large majority of the people unite to defend them.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

创新不是口号，而是融入血液的基因。