We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.

模型的唯一真正检验是其预测未来的能力，而未来总是不确定的。

The only way to do great work is to love what you do.

The question is not how to get cured, but how to live.

数学中的发现过程往往比结果本身更重要。