数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
不要担心别人会做什么。预测未来的最好方法就是去创造未来。
It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
I am very much attracted by the mystery of the world, and I think that is the main theme of my poetry.