The worse a situation becomes, the less it takes to turn it around, the bigger the upside.

The Langlands program is a challenge to the limits of human understanding.

When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.

端正其义而不谋求私利，阐明其道而不计较功利。

译文：清贫的生活，对读书人来说，就是顺境；节俭的日子，对种田人来说，就是丰收的年岁。赏析：读书要耐得住寂寞。清贫的生活能排除浮华奢糜之事，否则只会扰乱身心与学业。节俭是良好的美德，也是人类生存之需要。如果平常俭约，有所积蓄，即使是收成很差，也能丰衣足食。假如不懂得节俭，泿费粮食，即使年年丰收，也会缺衣少食。

The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

爱是两个灵魂的相遇，完全接受彼此内在的黑暗与光明。