I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
我已经履行了我的职责。我证明了庞加莱猜想,我在数学上没有什么可做的了。
"The words we use are like the clothes we wear. They can make us look smart or silly, kind or cruel, strong or weak."
文学不是用来解决问题的,它是用来呈现问题的。
I never stop learning and improving.
凡是言论好行动,有利于上天鬼神与百姓的就做,凡是言论好行动,有害于上天鬼神与百姓的就舍弃。 
The pace of change will never be slower than it is today.
金融体系的稳定性取决于创新与监管之间的平衡。
一只小狗只有在什么都不干的情况下才会受到表扬。