数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
In times of crisis, true leadership is measured by actions, not words.
认为未来不可预测的观点每天都在被我们轻易解释过去的事实所削弱。
我总是尝试从每次经历中学习，无论是积极的还是消极的。
I will tell you what I will do and what I will not do. I will not serve that in which I no longer believe whether it call itself my home, my fatherland, or my church: and I will try to express myself in some mode of life or art as freely as I can and as wholly as I can, using for my defence the only arms I allow myself to use—silence, exile, and cunning.
The world is a great symphony, and we are the notes.