冒比他人认为安全的更大的风险。梦想比他人认为实际的更多。

写作是面对世界混乱的一种方式。

数学家是能在定理之间找到类比的人；更好的数学家是能在证明之间看到类比的人；而最好的数学家是能注意到理论之间类比的人。

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.

We cannot not know history.

However difficult life may seem, there is always something you can do and succeed at.

恋爱是艰苦的，不能期待它象美梦一样出来。